Question

SECTION - B
II. SHORT ANSWER QUESTIONS:
3X3=9M
7) How anhydrous copper sulphate is converted in to hydrated copper sulphate
and vice versa. Explain with activity by taking 5g of anhydrous copper
sulphate.
8) What is bleaching powder and how it is prepared in the laboratory illustrate
how bleaching powder is prepared by taking the starting material as 10g of
quick lime.
9) (a) 2g of magnesium ribbon are taken in test tubes A and B.6ml of
Hydrochloric acid and formic acid is added to A and B respectively. In which
test tube more fizzing is observed. Why?
(b) Antacids neutralises the excess of acid and give relief from indigestion,
write chemical equation for this reaction.
SECTION -C
III. LONG ANSWER QUESTIONS:
1X5=5M
10) Compounds such as ethanol and sucrose contains hydrogen but are not
categorized as acids. Describe an activity to prove.​

Answer 1

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