Chemistry MCQs for 2nd-year class

In this tutorial, we will cover the Chemistry MCQs for 2nd-year class.

1. .When the hydroxyl group is attached to the carbon atom bonded to two other carbon atoms, alcohol formed is

A	B	C	D
secondary alcohol	primary alcohol	tertiary alcohol	quaternary alcohol

2. Sodium metal is soft due to

A	B	C	D
strong metallic bond	weak metallic bond	hydrogen gas	hydroxides

3. Alcohol (C_nH_2n+1OH) with a lowest molecular mass at room temperature is

A	B	C	D
liquid	solid	gas	B and C

4. Elements which have properties of metals and non-metals are

A	B	C	D
metalloids	crystalline	amorphous	none of above

5. As the size of atom increases down group, electropositivity

A	B	C	D
consistent	decreases	increases	none of above

7. The chemical formula of Zinc Hydroxide is

A	B	C	D
ZnOH	ZNO2	Zn2(OH)4	Zn(OH)2

8. Bromine is a non-metal in

A	B	C	D
gaseous state	plasma state	solid-state	liquid state

9. K₂O + H₂O →

A	B	C	D
KOH	K(OH)3	KOH	KO + H2 + O2

10. As compare to beryllium, magnesium is

A	B	C	D
large in size	more electropositive	less electropositive	both A and B

Topic Covered

Chemistry MCQs for 2nd-year class.

 
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