Question

SECONDS

UNIT TEST CLASS X 25/12/2020
Gbsss No2Molarband

1. The functional group present in methanol is

a) --OH

b) --CHO

c) >C=O

d)--COOH

Required

2. The functional group present in propanone is

a) --OH

b) --CHO

c) >C=O

d) --COOH

Required

3. Between two atoms, the bond formed by sharing of electrons,is

a) covalent bond

b) hydrogen bond

c) electrovalent bond

d) co-ordinate bond

Required

4. Consumption of alcohol in large quantities may cause death by damaging

a) heart

b) brain

c) lungs

d) liver

Required

5. Which of the molecule has no double or triple covalent bond

a) O2

b) N2

c) H2O

d)CO2

Required

6. Which compound is not soluble in water

a) sodium bromide

b) benzene

c) calcium chloride

d) sugar

​

Answer 1

Explanation:

1) a, 2)b, 3) a ,4) d 5)c 6)b

Answer 2

Answer:

1.--OH

2. option (c)

3.covalent bond

4.liver

5.H20

6.

hope it helps....