Questions

Plaster of Paris ______.

I. changes into gypsum on mixing with water

II. is CaSO4.2H2O

III. is used for decoration

Which of the following statements are CORRECT?

I. Esters are sweet smelling substance.
II Esters are used in making perfumes.
III. Functional group of ester is R-O-RꞋ.

Study it carefully and answer the questions.

(i). 'AxB' means 'A is father of B'

(ii).'A/B' means 'A is daughter of B'

(iii). 'A+B' means 'A is sister of B'

(iv).'A-B' means 'A is husband of B'

In F / R x H - L, How is H related to F?

Which of the following statements are CORRECT?

I. Oxides of metals are generally basic.

II. Oxides of non-metals are generally acidic.

III. Non-metals are generally electro positive.

The first computer introduced in Nepal was

The relative humidity of a region is low when :

The main reason that congress creates committees is to?