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c. Fungicide
d. Food colour
8. Products formed when active metals react with acids:
a. Salt and Hydrogen
b. Alkali and water
c. Salt and oxygen
d. Salt and water

Subjective

Q. Questions Skill Marks
No.
1. Salts are prepared by reaction between: R 1
a. Acid and water
b. Base and water
c. Acid and base
d. Neutral solutions

2. A solution of sodium chloride in water is ______ in nature. U 1
a. Acidic
b. Basic
c. Alkaline
d. Neutral
3. DIRECTION: Each of these questions contains an U 1
Assertion followed by Reason. Read them
carefully and answer the question on the
basis of following options. You have to select the one
that best describes the two statements.
a) If both Assertion and Reason are correct and
Reason is the correct explanation of Assertion.
b) If both Assertion and Reason are correct, but
Reason is not the correct explanation of
Assertion.
c) If Assertion is correct but Reason is incorrect.
d) If Assertion is incorrect but Reason is correct.
e) If Assertion & Reason both are incorrect.
Assertion(A): A solution of sodium carbonate turns blue
litmus red.
Reason(R): Sodium carbonate is a basic salt.
4. The most common method of preparation of salts is by the U&A 3
reaction between acids and bases.
a. What is the name given to this type of chemical
reactions?
b. Write a balanced equation to illustrate the above
type of reaction between sulphuric acid and sodium
hydroxide.
c. What colour change will you observe if a few drops

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