Question

16. The chemical reactions and its corresponding
observable features are matched below. The
correct option is
a. Change in temperature

b. Evolution of a gas

c. Formation of a

d. Change in Colour

i. Magnesium reacting
with dilute sulphuric
acid
ii. Potassium iodide
reacting with lead
nitrate
iii. Sulphur dioxide gas
precipitate
reacting with acidified
potassium dichromate
solution
iv. Zinc granules reacting
with dilute sulphuric
acid​

Answer 1

Answer:

Change in temperature

Answer 2

Answer:

a.) 1- (iii), 2-(iv), 3-(i), 4-(ii)

Explanation:

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