Give reasons for the following in one or two sentences : `'Graphite is used as a solid lubricant.''

Explain the following in one or two sentences.

Graphite is used as a lubricant. Explain.

Graphite is used as lubricant due to

Give reasons for following in one or two sentences: CrO_3 is an acid anhydride?

Given reasons for the following in one or two sentences: silver bromide is used in photography?

Give reason for the following in one or two sentences : ''Solid carbon dioxide is known as dry ice.''

Give reasons for the following in one or two sentences: "Dimethyl amine is a stronger base than trimethyl amine" in H_2 O .

Give reasons for the following in one or two sentence . Dimethy lamine is a stronger base then trimethy lamine .