Question

Q1 Write the molecular formulas
a) baking soda b) Potash alum
c) Potassium Nitrate

Q2 Write the balanced chemical equation of
a)Sodium with Hydrochloric acid
b)Magnesium with Sulphuric acid
c) Calcium carbonate with Sulphuric acid

Q3 X is present in the stomach. However, presence of excess of it causes indigestion, which requires the intake of milk of magnesia to undo the effect of X. What is X

Q4 Some acid are dangerous,others are not. Explain why?

Answer 1

1.a.naco3 c.kn .
3. some acid are dangerous because some acid are strong in nature there react fast . some acid are weak in nature there reaction take place slow