Chemical Reactions Quiz
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
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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