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Acids and Alkalis - Mastering Lab Safety and pH: Hazard Symbols, Indicators, and Acid Reactions!

Last updated 3 months ago

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What does the hazard symbol with a flame indicate?

Irritant

Flammable

Toxic

Corrosive

Which symbol signifies a health hazard?

Exclamation Mark

Skull

Heart

Biohazard

Wearing goggles and gloves can reduce risks in a chemical practical.

True

False

What are some measures to take to reduce risk in a lab? (Select all that apply)

Keep food out of the lab

Label all chemicals

Perform experiments unsupervised

Know the location of safety equipment

What pH value is considered neutral?

0

7

14

5

Which indicator is commonly used to discover whether a solution is an acid or alkali?

Litmus Paper

Baking Soda

Vinegar

Oil

What are some examples of natural indicators? (Select all that apply)

Red Cabbage

Blueberries

Sugar

Turmeric

How can acids and alkalis be useful in everyday life?

Cleaning products

Food preservation

Medicine

All of the above

Diluting a strong acid makes it weaker.

True

False

What characteristic makes an acid strong?

High pH

Conducts electricity well

Low temperature

Sweet taste

Identify strong acids among the following options. (Select all that apply)

Hydrochloric Acid

Acetic Acid

Sulfuric Acid

Citric Acid

Which of the following indicators is created from red cabbage?

Bromothymol Blue

Universal Indicator

Cabbage Juice

Phenolphthalein

All acids are harmful and should be avoided.

True

False

What is the best way to communicate your method so others can replicate your results?

Write a brief summary

Create a step-by-step guide

Verbal explanation

Use diagrams only

Question 15

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True

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True

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Question 33

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Draggable item		Corresponding Item

Question 34

34.

False

False