Assertion : Obelia is dimorphic in nature
Reason : Obelia shows polyp and gonangia form

Assertion (A): LiF is ionic in nature. Reason (R): Lil is covalent in nature.

Assertion : Saline hydrides are ionic in nature. Reason : Saline hydrides are formed by the elements having high electronegativity values.

Assertion : Keys are analytical in nature. Reason : Keys are based on couplet.

Assertion: Al(OH)_(3) is amphoteric in nature. Reason: It cannot be used as an antacid.

Assertion : Keys are analytical in nature. Reason : Keys are based on couplet.

Assertion : Lecithin is important in membranes . Reason : It has amphipathic nature .

Assertion: tin(II) chloride is ionic and reducing in nature. Reason: Sn shows both +2 and +4 oxidation state.

Assertion : The cells of endothecium are hygroscopic in nature. Reason : They absorb water from air.