Chemistry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 88 - 94 of 144

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Question number: 88

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

A cell is kept in a solution for sometimes, when it bursts. The solution should be

Choices

Choice (4) Response

a.

Hypotonic

b.

Hypertonic

c.

Monotonic

d.

Isotonic

Question number: 89

» Chemistry » Carbon and Its Compounds

MCQ▾

Question

The gas supplied in cylinders for cooking is

Choices

Choice (4) Response

a.

Mixture of ethane and propane

b.

Marsh gas

c.

LPG

d.

Mixture of CH4 and C2H6

Question number: 90

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

The gas you use in kitchen is called Liquefied Petroleum Gas (LPG). In the cylinder, it exists as a liquid. When it comes out of the cylinder, it becomes a gas (process A), then it burns (process B).

Choose the correct statement.

Choices

Choice (4) Response

a.

processes A and B are chemical changes

b.

Process A is chemical change

c.

Process B is a chemical change

d.

All of the above

Question number: 91

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

The best method to separate the dyes from ink is

Choices

Choice (4) Response

a.

Filtration

b.

Sublimation

c.

Distillation

d.

Chromatography

Question number: 92

» Chemistry » Metals & Non Metals

MCQ▾

Question

The metal constituent of chlorophyll is

Choices

Choice (4) Response

a.

Potassium

b.

Manganese

c.

Magnesium

d.

Iron

Question number: 93

» Chemistry » Carbon and Its Compounds

MCQ▾

Question

The major portion of combustible part of gobar gas is

Choices

Choice (4) Response

a.

Ethane

b.

Ethylene

c.

Acetylene

d.

Methane

Question number: 94

» Chemistry » Fibres and Plastics

MCQ▾

Question

Which of the following will be suitable for coating dress materials of fire-men?

Choices

Choice (4) Response

a.

Acrylic

b.

Nylon

c.

Melamine

d.

Polyester

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