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Chemical Reactions Quiz

Create an educational illustration depicting various chemical reactions, including combustion, displacement, and precipitation, in a colorful laboratory setting with lab equipment and reactions occurring.

Chemical Reactions Quiz

Test your knowledge of chemical reactions with this engaging quiz designed for students and science enthusiasts! Dive into a variety of questions that cover different types of reactions, their properties, and underlying principles.

Features:

20 multiple-choice questions
Explore redox and displacement reactions
Understand concepts like exothermic processes and precipitation reactions

20 Questions5 MinutesCreated by MixingAtom357

Which of the following reaction is not balanced?

KCIO3 → KCl + O2

3Fe + 4H2O →Fe3O4 + 4H2

You are given the following chemical reaction: CuO+ H2 → Cu + H2O This reaction represents:

Redox reaction as well as displacement reaction

Double displacement reaction as well as redox reaction

The reaction in which a solid get separate from the solution is

Redox reaction

Precipitation reaction

Of the following statement is correct about the given reaction? AB+C → AC+B

B is more reactive than C

C is more reactive than B

In a chemical reaction between sulphuric acid and barium chloride solution the white precipitates formed are of:

Chlorine

Barium sulphate

The respiration process during which glucose undergoes slow combustion by combining with oxygen in the cells of our body to produce energy, is a kind of:

Exothermic process

Endothermic process

It is necessary to balance a chemical equation in order to satisfy the law of

Conservation of mass

Conservation of motion

When ferrous sulphate is heated strongly it undergoes decomposition to form ferric oxide as a main product accompanied by a change in colour from:

Green to brown

Green to yellow

The chemical reaction between Hydrogen sulphide and iodine to give Hydrogen iodide and sulphur is given below: H2S + I2→2HI + S The reducing and oxidizing agents involved in this redox reaction are:

Iodine and hydrogen sulphide respectively

Iodine and sulphur respectively

On immersing an iron nail in CuSO4 solution for few minutes, you will observe

The colour of solution changes to green

The colour of solution fades away

The reaction in which two compound exchange their ions to form two new compounds is called

displacement reaction

Double displacement reaction

The reaction of H2 gas with oxygen gas to form water is an example of

Combination

Exothermic reaction

When a magnesium ribbon is burnt in air, the ash formed is

white

Black

Dilute hydrochloric acid is added to granulated zinc taken in a test tube. The following observations are recorded. Point out the correct observation

The reaction mixture turns milky

A colourless and odourless gas is evolved

Silver article turns black when kept in the open for a few days due to formation of

AgSO4

Ag2S

Take about 1.0g CaCO3 in a test tube. Heat it over a flame, when a colorless gas comes out. The reaction is called a

Decomposition reaction

Displacement reaction

Zn + H2SO4(dil) ->ZnSO4 + H2 Above reaction is

Combination reaction

Displacement reaction

A chemical reaction does not involve

Changing of the atoms of on element into those of another element to form new products

Breaking of old chemical bonds and formation of new chemical bonds

Which of the following product is formed when calcium oxide reacts with water?

Slaked lime

Carbon dioxide

What happens when carbon dioxide is passed in lime water?

Lime water turns milky because of formation of calcium carbonate

Lime water turns milky because of formation of water

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