Question

Case Study-
Tonic compounds are solid and hard. These are brittle and break into pieces when pressure is applied. These
compounds have high melting and boiling points. These are soluble in water and insoluble in organic solvents
such as kerosene, petrol. These conduct electricity in the molten state but not in solid state.
45. lonic compounds are soluble in
(A) Ether
(B) Water
(Alcohol
(D) Petrol
46. Name the ions present in sodium oxide compounds.
(A) Sodium ions
(B) Oxide ions
se) Both (A) and (B)
(D) None of these
47. Which of the following are electrovalent compounds?
Cod Copper sulphate
(B) Calcium nitrate
(C) Magnesium oxide
(D) All of the above
48. Which of the following compounds is not ionic in nature ?
(A) Lithium Chloride
(B) Ammonium Chloride
(C) Calcium Chloride
(D) Carbon tetrachlorideh​

Answer 1

Answer:

1. (A) Water

2.(C) Both (A) and (B)

3.(D) All of the above

4.(D) Carbon tetrachlorideh