HSC Science (General) इयत्ता ११ वी - Maharashtra State Board Question Bank Solutions

Explain types of matter (on the basis of chemical composition).

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The branch of chemistry which deals with study of separation, identification, and quantitative determination of the composition of different substances is called as __________

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Which one of the following property of matter is Not quantitative in nature?

Define: Least count

How many significant figure is in the following quantity?

45.26 ft

Solve the following question:

How many significant figure is in the following quantity?

0.109 in

Solve the following question:

How many significant figure is in the following quantity?

0.00025 kg

Solve the following question:

How many significant figure is in the following quantity?

2.3659 × 10^-8 cm

Solve the following question:

How many significant figure is in the following quantity?

52.0 cm³

Solve the following question:

How many significant figure is in the following quantity?

0.00020 kg

How many significant figures are in the following quantity?

8.50 × 10⁴ mm

Solve the following question:

How many significant figure is in the following quantity?

300.0 cg

What do you understand by the term residue?

What do you understand by the term filtrate?

Why is paper moistened before filtration?

State octet rule.

Define adsorption.

Why students can read blackboard written by chalks?

Aqueous solution of raw sugar, when passed over beds of animal charcoal, becomes colourless. Explain.

Explain that adsorption is a surface phenomenon.