Science Content (CTET Paper-II Science): Questions 93 - 97 of 148

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Question number: 93

» Science Content » Basic Chemistry

Appeared in Year: 2013

MCQ▾

Question

When we add aluminum foil to freshly prepared sodium hydroxide solution a gas is produced. Which of the following correctly states the property of this gas? (July)

Choices

Choice (4) Response
a.

Colorless and odorless gas which extinguishes a burning match stick.

b.

Brown colored pungent smelling gas.

c.

Colorless and odorless gas which produces a ‘pop’ sound when a burning match stick is brought near it.

d.

Colorless and odorless gas which promotes burning of a candle.

Question number: 94

» Science Content » Basic Chemistry

Appeared in Year: 2011

MCQ▾

Question

A doctor prescribes a medicine to treat hyperacidity. The main ingredient of the medicine is (June)

Choices

Choice (4) Response
a.

MgCl2

b.

Na2CO3

c.

CaCO3

d.

Al(OH)3

Question number: 95

» Science Content » Basic Chemistry

Appeared in Year: 2012

MCQ▾

Question

Given below are a few chemical processes:

1. Rusting of iron

2. Burning of a candle

3. Respiration

4. Photosynthesis

Which two of these represent slow combustion? (Jan)

Choices

Choice (4) Response
a.

4 and 1

b.

2 and 3

c.

1 and 3

d.

2 and 4

Question number: 96

» Science Content » Natural Phenomena

MCQ▾

Question

Which of the following is a pair of inexhaustible natural resources?

Choices

Choice (4) Response
a.

Air and sun-light

b.

Minerals and Natural gas

c.

Coal and Petroleum

d.

Soil and water

Question number: 97

» Science Content » Natural Phenomena

Appeared in Year: 2011

MCQ▾

Question

A common characteristic feature of plant sieve-tube cells and mammalian erythrocytes is (June)

Choices

Choice (4) Response
a.

Absence of nucleus

b.

Presence of hemoglobin

c.

Absence of chloroplast

d.

Absence of cell wall

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