QUAL Practice #1 May 2025

Last updated 21 days ago

20 questions

Instructions

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Library

QUAL Practice #1 May 2025

Last updated 21 days ago

20 questions

Instructions

For many of these questions you will need the reference tables (solubility, available reagents, etc.). These can be found in your QUAL packet and in your binder and as well as on Canvas in Reference and in the QUAL module.

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1

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How do you get your flow chart approved or ask a question during testing days?

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If you run out of room when flow charting, what symbol do you use to continue your flow chart elsewhere?

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For the next set of questions, be sure to write proper formulas including parentheses and subscripts as needed.

You can copy these arrows if you need to use them in your answers: 
↑ ↓ ← →

Required

1

BaCl2 + NaHCO3 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

Required

1

MgSO4 + Na2SO4 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

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1

Pb(NO3)2 + KI are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

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1

NaOH + CoCl2 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

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1

KI + NaOH are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

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1

CuSO4 + NaHCO3 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

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1

Write the formula for a white precipitate that is slightly soluble.

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1

Write the formula for a yellow precipitate.

For many of these questions you will need the reference tables (solubility, available reagents, etc.). These can be found in your QUAL packet and in your binder and as well as on Canvas in Reference and in the QUAL module.

When following your flow chart, all chemical testing will take place in

spot plates

beakers

the chemical test tubes

Choose all that apply.
During the testing days, clean up includes

refilling distilled water

wiping down surfaces

placing goggles in sanitizer

storing test tubes in SIN container if not finished testing

washing hands

scrubbing spot plates

rinsing test tubes if finished testing & answers are checked

How do you get your flow chart approved or ask a question during testing days?

If you want to indicate that a precipitate forms in a reaction, which symbol do you use?

If you want to indicate that a gas forms in a reaction, which symbol do you use?

In a flow chart, what shape is used for a yes/no question?

parallelogram

rectangle

circle

diamond

In a flow chart, what shape is used when you have identified a chemical?

circle

rectangle

diamond

parallelogram

If you run out of room when flow charting, what symbol do you use to continue your flow chart elsewhere?

Choose all that apply.
Which of the following will your teacher check when looking at a completed flow chart?

Which of the following would help you determine if ions are present in a solution?

adding an indicator such as PHTH or phenol red

conductivity meter

smell (volatility)

Choose all that apply.
What gas is formed when the solubility table says 'FIZZ'?

Choose all that apply.
Check all the insoluble ionic compounds.

For the next set of questions, be sure to write proper formulas including parentheses and subscripts as needed.

You can copy these arrows if you need to use them in your answers: 
↑ ↓ ← →

BaCl2 + NaHCO3 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

MgSO4 + Na2SO4 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

Pb(NO3)2 + KI are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

NaOH + CoCl2 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

KI + NaOH are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

CuSO4 + NaHCO3 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

Write the formula for a white precipitate that is slightly soluble.

Write the formula for a yellow precipitate.

When following your flow chart, all chemical testing will take place in

spot plates

beakers

the chemical test tubes

Choose all that apply.
During the testing days, clean up includes

refilling distilled water

wiping down surfaces

placing goggles in sanitizer

storing test tubes in SIN container if not finished testing

washing hands

scrubbing spot plates

rinsing test tubes if finished testing & answers are checked

If you want to indicate that a precipitate forms in a reaction, which symbol do you use?

←

→

↑

↓

(l)

(g)

(s)

(aq)

If you want to indicate that a gas forms in a reaction, which symbol do you use?

(g)

→

↑

↓

(s)

(l)

←

(aq)

In a flow chart, what shape is used for a yes/no question?

parallelogram

rectangle

circle

diamond

In a flow chart, what shape is used when you have identified a chemical?

circle

rectangle

diamond

parallelogram

Choose all that apply.
Which of the following will your teacher check when looking at a completed flow chart?

accuracy of proposed methods

correct use of symbols

properly written formulas

color of precipitate formed

appropriate arrows (↑↓) 

safety of proposed methods

Which of the following would help you determine if ions are present in a solution?

adding an indicator such as PHTH or phenol red

conductivity meter

smell (volatility)

Choose all that apply.
What gas is formed when the solubility table says 'FIZZ'?

CO2 ↑

O2 ↑

H2O

HOH

CO2 ↓

H2 ↑

H2 ↓

Choose all that apply.
Check all the insoluble ionic compounds.

BaI2

Ca(HCO3)2

Ca(NO3)2

PbI2

NaNO3

(NH4)2SO4

K2CO3

Mg(OH)2

MgSO4

QUAL Practice #1 May 2025

QUAL Practice #1 May 2025

For many of these questions you will need the reference tables (solubility, available reagents, etc.). These can be found in your QUAL packet and in your binder and as well as on Canvas in Reference and in the QUAL module.

How do you get your flow chart approved or ask a question during testing days?

If you run out of room when flow charting, what symbol do you use to continue your flow chart elsewhere?

↑ ↓ ← →

BaCl2 + NaHCO3 are combined.What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

MgSO4 + Na2SO4 are combined.What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

Pb(NO3)2 + KI are combined.What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

NaOH + CoCl2 are combined.What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

KI + NaOH are combined.What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

CuSO4 + NaHCO3 are combined.What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

Write the formula for a white precipitate that is slightly soluble.

Write the formula for a yellow precipitate.

For many of these questions you will need the reference tables (solubility, available reagents, etc.). These can be found in your QUAL packet and in your binder and as well as on Canvas in Reference and in the QUAL module.

When following your flow chart, all chemical testing will take place in

Choose all that apply.During the testing days, clean up includes

How do you get your flow chart approved or ask a question during testing days?

If you want to indicate that a precipitate forms in a reaction, which symbol do you use?

If you want to indicate that a gas forms in a reaction, which symbol do you use?

In a flow chart, what shape is used for a yes/no question?

In a flow chart, what shape is used when you have identified a chemical?

If you run out of room when flow charting, what symbol do you use to continue your flow chart elsewhere?

Choose all that apply.Which of the following will your teacher check when looking at a completed flow chart?

Which of the following would help you determine if ions are present in a solution?

Choose all that apply.What gas is formed when the solubility table says 'FIZZ'?

Choose all that apply.Check all the insoluble ionic compounds.

↑ ↓ ← →

BaCl2 + NaHCO3 are combined.What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

MgSO4 + Na2SO4 are combined.What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

Pb(NO3)2 + KI are combined.What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

NaOH + CoCl2 are combined.What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

KI + NaOH are combined.What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

CuSO4 + NaHCO3 are combined.What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

Write the formula for a white precipitate that is slightly soluble.

Write the formula for a yellow precipitate.

BaCl2 + NaHCO3 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

MgSO4 + Na2SO4 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

Pb(NO3)2 + KI are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

NaOH + CoCl2 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

KI + NaOH are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

CuSO4 + NaHCO3 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

Choose all that apply.
During the testing days, clean up includes

Choose all that apply.
Which of the following will your teacher check when looking at a completed flow chart?

Choose all that apply.
What gas is formed when the solubility table says 'FIZZ'?

Choose all that apply.
Check all the insoluble ionic compounds.

BaCl2 + NaHCO3 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

MgSO4 + Na2SO4 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

Pb(NO3)2 + KI are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

NaOH + CoCl2 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

KI + NaOH are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.

CuSO4 + NaHCO3 are combined.
What is the formula & color of the precipitate that forms? If no precipitate forms, type NOR.