Question

Read the following statements and choose the

correct option

(a) Calcium in present in the bones of animals
and human beings as sulphate
(6) Heating calcium carbonate to 107 OK 1970K
gives quick lime
(c) Aluminium is not affected by dry air
(1) Only (a) and (c) are true
(2) Only (e) and (b) are true
(3) Only (b) and (c) are true pls exlpain ....
(4) All are true​

Answer 1

Answer:

3) only (b) and (c) are true