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SAI INTERNATIONAL SCHOOL
CLASS-VIII
SUBJECT-CHEMISTRY
TOPIC-Materials: Metals and Non-metals
Sub-topic- Chemical property of metals and non–metals.
-Reaction with Bases and Displacement Reactions

Home Assignment

Objective Questions/MCQs

Choose the correct option.

1. When hydrochloric acid is added to mercury then
a. No reaction occurs.
b. Copper chloride is formed.
c. Hydrogen gas is formed.
d. Exothermic reaction takes place.
2. Gold does not react with dilute hydrochloric acid because:
a. It is more reactive than hydrogen.
b. It is less reactive than hydrogen.
c. It is equally reactive as hydrogen.
d. Reaction takes place.
3. When iron nail is added to a beaker containing sulphuric acid then:
a. Carbon chloride is formed.
b. Hydrogen gas is formed.
c. Carbon sulphate is formed
d. No reaction takes place.
4. Zinc reacts with dilute sulphuric acid to form
a. Zinc sulphate.
b. Zinc chloride is formed.
c. Zinc sulphate and hydrogen gas.
d. Non reaction takes place.
5. When magnesium reacts with dilute hydrochloric acid then
a. Magnesium chloride is formed.
b. Magnesium sulphate is formed.
c. Magnesium phosphate is formed.
d. No reaction takes place.
6. If Aluminium is placed in a beaker containing copper sulphate, then:
a. Aluminium sulphate is formed.
b. Aluminium chloride is formed.
c. Aluminium sulphate and copper is formed.
d. No reaction takes place.

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