Definition of terms

Question 1

When some substances are exposed to air, they lose
water to the atmosphere, thereby reducing in weight

Answer 1

Efflorescence

Question 1

This is when certain solid substances, when
exposed to air absorb water, enough to form solutions

Answer 1

Deliquescence

Question 2

This is when substances absorb water from air, but not enough to form solutions

Answer 2

Hygroscopic

Question 3

alkaline CuC4H4O6

Answer 3

Fehling’s soln-

Question 4

Fehling’s solution Tests the ___________ but not ketones is detected by reduction of the deep blue solution of copper(II) to a red precipitate of insoluble copper oxide

Answer 4

Presence of aldehydes

Question 5

Property of tartrate ion:

Answer 5

Chelate complex atom