Advertisements
Advertisements
प्रश्न
Acids are corrosive in nature.
पर्याय
True
False
उत्तर
Acids are corrosive in nature- True.
APPEARS IN
संबंधित प्रश्न
Write a balanced chemical equation for the reaction of sodium hydroxide solution with iron (III) chloride solution
Name an indicator which is pink in alkaline solution but turns colourless in acidic solution.
One of the following salts will give an alkaline solution on dissolving in water. This is:
a) Na2CO3
(b) Na2SO4
(c) NaCl
(d) (NH4)2 SO4
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?
Define a base.
Since metal carbonate and metal bicarbonate are basic, they react with acids to give salt and water with the liberation of ______.
Match the chemical substances given in Column (A) with their appropriate application given in Column (B)
Column (A) |
Column (B) |
(A) Bleaching powder | (i) Preparation of glass |
(B) Baking soda | (ii) Production of H2 and Cl2 |
(C) Washing Soda | (iii) Decolourisation |
(D) Sodium chloride | (iv) Antacid |
Turmeric is a natural indicator. On adding its paste to acid and base separately, which colours would be observed
Complete the following equation.
CaO + H2SO4 → ______ + H2O
Bring the soil sample of your area, find out if it is acidic, basic or neutral. Discuss with farmers if they treat the soil in any manner.