Question

II. Assertion and Reason Type Questions.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true and R is not correct explanation of A
c) A is correct and R is incorrect
d) A is incorrect and R is correct.
1. Assertion (A) : When HCl allowed to react with metal carbonates
and bicarbonates it produces CO2 gas
Reason (R) : Metal chloride is the common product in both the reactions.
2. Assertion (A) : Mostly non metallic oxides are acidic in nature
Reason (R) : All metallic oxides are basic in nature
3. Assertion (A) : Zn(OH)2 is a alkali
Reason (R) : The base which is soluble in water is called an alkali
4. Assertion (A) : All acids can liberate H2 gas when they allowed to
react with active metals.
Reason (R) : The metal above to the ‘H’ in the reactivity series can
displaced ‘H’ from its compounds.
5. Assertion (A) : Bleaching powder is used in textile industry
Reason (R) : Bleaching powder can acts as an oxidising agent

Answer 1

Answer:

option 4 is the answer for question