Class 10

Acids, Bases and Salts question bank (Science)

Practice 313 free Class 10 Science - Acids, Bases and Salts questions with answers and step-by-step solutions.

Q1.

Why should curd and sour substances not be kept in brass and copper vessels?

(A)
They react with the metal to form toxic salts.
(B)
They neutralize the metal surface.
(C)
They cause the vessels to melt.
(D)
They increase the nutritional value of the food.
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Q2.

Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?

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