Question

pls answer quickly see the attacment​

Answer 1

Answer:

this is the a part Hope It helps you..

sorry I don't know b part...........

Explanation:

They are brittle, hard and crystalline solids. Salt is white, odorless and it has a salty taste. All potassium (K), ammonium (NH4+) and sodium (Na) salts are soluble in water (H2O). Nitrites, nitrates, and bicarbonates can be dissolved in water.

Answer 2

Answer:

2HCl + Ca(OH)2 ¬> 2H2O + CaCl2

2Na + S ¬> Na2S