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Grade 9 Type of reactions test cloned 4/15/2020

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Posljednje ažuriranje about 6 years ago
22 questions
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Types of reactions quiz

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Watch the video below and answer the questions.

Questions 21 - 31 is from the youtube clip above. You can watch the clip as many times as you need to.

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Pitanje 1
1.

Identify this reaction:

KClO3  →  KCl + O2

Pitanje 2
2.

Identify this reaction:

Cr  +  Fe(NO3)2  →  Fe  +  Cr(NO3)3

Pitanje 3
3.

Which of the following could be the products of a single displacement reaction?

Pitanje 4
4.

Of the balanced chemical equations below, which one most correctly represents a combustion reaction?

Pitanje 5
5.

Of the reactions below, which one is a double-replacement reaction?

Pitanje 6
6.

Which of the following reactants could cause a combustion reaction?

Pitanje 7
7.

Which of the following are decomposition reactions?

  1. CH4 (g) + O2 (g)  →  CO2 (g) + H2O (l)

  2. CaO (s) + CO2 (g)  →  CaCO3 (s)

  3. Mg (s) + O2 (g)  →  MgO (s)

  4. PbCO3 (s)  →  PbO (s) + CO2 (g)

Pitanje 8
8.

Which of the following is the general formula for a decomposition reaction?

Pitanje 9
9.

Balance the equation and identify the reaction

CH4 + O2 --> H2O + CO2

Pitanje 10
10.

Identify this reaction:

H2SO4 + Fe -->H2 + FeSO4

Pitanje 11
11.

A double displacement reaction occurs when different atoms in two different compounds trade places

Pitanje 12
12.

During a decomposition reaction two or more elements or compounds combine to make a more complex substance

Pitanje 13
13.

A synthesis reaction always results in a single element

Pitanje 14
14.

During a combustion reaction, heat and light is likely to be given off.

Pitanje 15
15.

What type of reaction takes place when aluminum combines with iodine

Pitanje 16
16.

Give the name of the reaction that produces oxygen and glucose

Pitanje 17
17.

What type reaction is the opposite of synthesis a reaction

Pitanje 18
18.

Write out the names of the products when hydrogen peroxide decomposes

Pitanje 19
19.

Briefly explain how a decomposition reaction is used in airbags in cars

Pitanje 20
20.

During the single displacement reaction of copper with silver nitrate. Name two things that you see that is evidence that a chemical reaction takes place

Pitanje 21
21.

Describe how a double displacement reaction takes place

Pitanje 22
22.

Which two elements swop places when potassium iodide is added to lead (ii) nitrate?