Name the following:
(i) Substances which furnish hydronium ion in solution.
(ii) Substances which turn blue litmus solution red.
(iii) Substances which furnish hydroxyl ion in solution.
(iv) Substances which turn turmeric paper red.
(v) Chemical name for salt which we consume everyday.
(vi) Base used as foaming agent in fire extinguisher.
(vii) A commonly used antacid.
(viii) The substances on which litmus solution has no effect.
(ix) The colour of turmeric solution in soap solution.
(x) Examples of any two mineral acids and organic acids.
(xi) Write the name and colour of two salts found in the laboratory.
Answers & Comments
i) Acids
ii) Acids
iii) Base
iv) Base
v) Sodium Chloride
vi) Sodium bicarbonate
vii) Calcium Carbonate
viii) Water
ix) Red
x) Sulfuric acid, hydrochloric acid, and nitric acid & Acetic acid and tartaric acid are organic acids.
xi) Sodium Chloride => White
Copper Sulphate => Blue
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