Question

match the following Column I. Column II (a) H2 gas. (i) Popping sound (b) CO2 gas (ii) Starch iodide paper turns blue-black (c) NO2 gas (iii) Lime water turns milky (d) Cl2 gas (iv) Brown fumes are produced

Answer 1

Explanation:

COLUMN 1 COLUMN 2

a. H2 gas (i) popping sound

b. CO2 gas (iii) lime water turns milky

c. NO2 gas (iv) brown fumes are

produced

d.CL2 gas (ii) starch iodide paper

turns blue-black