Quiz about Chemical Reactions

Question 1

Evidence of Chemical Change.

Accepted Answer

New Substance

Answer

Size change

Answer

State change

Answer

Mixture

Question 2

Evidence of a physical change.

Accepted Answer

Shape Change

Answer

New substance

Answer

Light produced

Answer

Gas released.

Question 3

Water boiling is a _______ change.

Accepted Answer

Physical Change

Answer

Chemical Change

Question 4

Fireworks Exploding are a ________ change.

Accepted Answer

Chemical Change

Answer

Physical Change

Question 5

A chemical reaction accompanied by the absorption of heat.

Accepted Answer

Endothermic Reaction

Answer

Chemical Change

Answer

Physical Change

Answer

Exothermic Reaction

Question 6

A cold pack made with Ammonium Chloride is and example of a __________ reaction.

Accepted Answer

Endothermic Reaction

Answer

Exothermic Reaction

Answer

Mesothermic Reaction

Answer

Misothermic Reaction

Question 7

A chemical reaction accompanied by the releasing of heat.

Accepted Answer

Exothermic

Answer

Endothermic

Answer

Mesothermic

Answer

Misothermic

Question 8

A hot hand pack is an example of a _______________ reaction.

Accepted Answer

Exothermic

Answer

Endothermic

Answer

Mesothermic

Answer

Misothermic

Question 9

A substance that has mass and takes up space.

Accepted Answer

Matter

Answer

Energy

Answer

Protery

Answer

Endothermic

Question 10

Which is a chemical property

Accepted Answer

Reactivity

Answer

Solid

Answer

Color

Answer

Shape

Question 11

What is a physical property of this table?

Accepted Answer

Brown

Answer

Flammable

Answer

Reactive to Acid

Question 12

A characteristic that can only be determined by changing the identity of an object.

Accepted Answer

Chemical Property

Answer

Physical Change

Answer

Chemical Change

Answer

Physical Property

Question 13

A characteristic that can be observed or measured without changing the composition of the substance.

Accepted Answer

Physical Property

Answer

Physical change

Answer

Chemical change

Answer

Chemical Property

Question 14

Sugar is dissolved into Kool Aid. What type of change is this?

Accepted Answer

Physical

Answer

Chemical

Answer

Multi

Answer

Asystematic

Question 15

A particular characteristic of a substance.

Accepted Answer

property

Answer

matter

Answer

physical change

Answer

chemical change

Question 16

What is the evidence of the chemical change seen here?

Accepted Answer

Light produced

Answer

Color change

Answer

state change

Answer

mixture

Question 17

pick the synthetic fibre out of the following

Accepted Answer

nylon

Answer

cotton

Answer

jute

Answer

wool

Question 18

which of the following groups contain all synthetic substances

Accepted Answer

pvc,polythene,bakelite

Answer

nylon.terylene,wool

Answer

cotton,polycot,rayon

Answer

acrylic silk wool

Question 19

things, materials, substances and components found in the natural environment

Accepted Answer

natural resources

Answer

synthetic materials

Answer

artifical resources

Answer

pure resourses

Question 20

Crude oil is used to make different kinds of plastics including PVC, vinyl and styrofoam.

Accepted Answer

true

Answer

false

Question 21

natural gas and crude oil are

Accepted Answer

fossil fuels

Answer

renewable resources

Answer

synthetic products

Answer

infinite fuels

Question 22

What is a synthetic material?

Accepted Answer

Any material that is man made

Answer

Any material that is only made from natural resources

Answer

Any material that is made of recycled materials

Answer

Any material that is found in nature.

Question 23

What does WHMIS stand for ?

Accepted Answer

Workplace hazardous materials information system

Answer

walking ham matter information system

Answer

work help math information system

Answer

welch hungry materials in snacks

Answer

information helping hands matter system

Question 24

The following symbol is for ...

Accepted Answer

Compressed gas

Answer

Biohazardous materials

Answer

Oxidizing material

Answer

Dangerously reactive material

Question 25

The following symbol is for ...

Accepted Answer

corrosive material

Answer

oxidizing material

Answer

flammable material

Answer

materials causing other toxic effects

Question 26

Which symbol means it will speed up the development of fire, causing things to burn more easily?

Accepted Answer

Bottom right

Answer

Top right

Answer

Top left

Answer

Bottom left

Question 27

How many Carbons are present on the reactant side?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 28

How many Hydrogens are on the product side of this chemical equation?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 29

How many Oxygens are on the product side of this chemical equation?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 30

In a chemical reaction, if the reactants are heated, the reaction usually happens

Accepted Answer

faster

Answer

slower

Answer

at the same rate

Answer

in a smaller volume

Question 31

Some chemical reactions require a substance called a catalyst. The purpose of a catalyst is

Accepted Answer

to speed up the reaction

Answer

to warm up the reaction

Answer

to create more reactants

Answer

to stop the reaction

Question 32

Which is the correct word equation for photosynthesis?

Accepted Answer

water + carbon dioxide + energy ---> glucose + oxygen

Answer

water + glucose + oxygen ---> energy + carbon dioxide

Answer

energy + oxygen + carbon dioxide ---> water + glucose

Answer

glucose + oxygen ---> water + carbon dioxide + energy

Question 33

Which of the following is the word equation for cellular respiration?

Accepted Answer

glucose + oxygen ---> water + carbon dioxide + energy

Answer

water + carbon dioxide + energy ---> glucose + oxygen

Answer

water + glucose ---> energy + carbon dioxide + oxygen

Answer

oxygen + carbon dioxide ---> water + energy + glucose

Question 34

What two molecules are produced in a combustion reaction?

Accepted Answer

H₂O + CO₂

Answer

CO₂+ NH₄

Answer

SiO₂ + H₂O

Answer

CO₂+ H₂O₂

Question 35

The Law of Conservation of Mass states

Accepted Answer

that matter cannot be created or destroyed and that the mass of the products must equal the mass of the reactants

Answer

that matter exists in all states and reacts the same

Answer

that matter can only be changed into new substances by introducing a catalyst

Answer

that matter exists in the same state throughout any chemical change

Question 36

___________________ are the elements/compounds formed in a chemical reaction (on the right)

Accepted Answer

Products

Answer

Polymers

Answer

Bonds

Answer

Reactants

Question 37

Is this balanced?...
Al + O₂ --> 2Al₂O₃

Accepted Answer

NO!

Answer

Yes!

Question 38

How many carbon atom/s are present in the compounds CaCO₃?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 39

Name the ionic compound, LiCl

Accepted Answer

lithium chloride

Answer

lithium chlorine

Answer

lithium chlorate

Answer

lithium monochloride

Question 40

Name the molecular compound CO

Accepted Answer

carbon monoxide

Answer

monocarbon monoxide

Answer

carbide

Answer

oxygen carbide

Question 41

K₂0 - name?

Accepted Answer

potassium oxide

Answer

potassium dioxide

Answer

potassium oxygen

Answer

dipotassium dioxide

Question 42

H₂0 - name?

Accepted Answer

water

Answer

hydrooxic acid

Answer

hydroxic acid

Answer

hydrogen oxide

Question 43

Name the following compound:

CO₂

Accepted Answer

carbon dioxide

Answer

monocarbon dioxide

Answer

carbon oxide

Answer

oxygen carbonide

Question 44

What is the name for AlBr_3?

Accepted Answer

aluminum bromide

Answer

aluminum tribromide

Answer

aluminum bromine

Answer

monoaluminum tribromide

Question 45

Which of the following options correctly balances the equation below?
__HNO₂+ __O₂ --> __HNO₃

Accepted Answer

2, 1, 2

Answer

4, 1, 4

Answer

1, 2, 1

Answer

1, 2, 1

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