Question

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.

17. Assertion (A) : Mostly non metallic oxides are acidic in nature

Reason (R) : All metallic oxides are basic in nature [ ]

18. Assertion (A) : Zn(OH)2 is a alkali [ ]

Reason (R) : The base which is soluble in water is called an alkali

19. 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. [ ]

20. Assertion (A) : Bleaching powder is used in textile industry

[ ]

Reason (R) : Bleaching powder can acts as an oxidising agent​

Answer 1

Answer:

20th one

Both Assertion And Reason Are True

Explanation:

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