Question

(i)
(ii)
Both A and R are true and R is the correct explanation of A
Both A and R true but R is not correct explanation of A
A is true but R is false
A is false but Ris true
(iii)
(iv)
on copper utensils if they are not cleaned for a few days.
Reason:- It is due to formation of layer of basic copper carbonate.
Biology
14.
Assertion:- External agents are required for cross pollination process.
Reason:- Insects are attracted by coloured petals for pollination process. 10
Why is the use of iodised colt !
15.​

Answer 1

Answer:

1. (1 and 2 )

Both A and R are true R is the correct explanation of A

Both A and R are true but R is not the correct explanation of A

A is true R is false

A is false R is true

3 and 4

on copper utensils if they aren't cleaned regularly

it's happens due to the formation of a layer of basic carbon components