Question

Which property can be used to distinguish talc from gypsum?

Gypsum has a soapy feel.

Talc has a soapy feel.

Gypsum can scratch glass.

Talc fizzes with hydrochloric acid.

Answer 1

Talc has a soapy feel.

Also, gypsum can scratch talc, but talc cannot scratch gypsum.

Hope This Helps! Have A Nice Feeling!!

Answer 2

B. Talc has soapy feel.

Step-by-step explanation:

Gypsum is a hydrated calcium sulphate mineral .

The chemical formula of gypsum is
`CaSO_4.2H_2O`

It consist of calcium, sulphur, oxygen and hydrogen.

It is soft sulphate mineral. It is used in plaster formation. It is used in blackboard chalk formation.It is used as a fertilizer.It Talc can not scratch gypsum because it is harder than talc.It has no soapy feel.

Talc is hydrous magnesium silicate mineral . It is usually green ,gray, white , brown or colourless.It is a translucent mineral . It has pearly luster.

It is soften known mineral. The chemical formula of talc is
`Mg_3Si_4O_(10)(OH)_2`.It consist of magnesium, silicon, oxygen and hydrogen.It has extreme softness and greasy. It has soapy feel. Gypsum is harder than talc and more difficult to scratch.

Hence, the option B is true.

Answer: B. Talc has soapy feel.