Chemistry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 137 - 142 of 144

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Question number: 137

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

The physical state of water at 100°C is

Choices

Choice (4) Response

a.

Solid

b.

Liquid

c.

Gas

d.

Plasma

Question number: 138

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

Equation . When the equation is balanced, the coefficients a, b, c and d respectively, are

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 139

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

The correct formula of rust is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 140

» Chemistry » Structure of Atom

MCQ▾

Question

Consider the following facts regarding plaster of Paris

1. It is prepared from calcium sulphate dehydrate.

2. It is a white powder.

3. Its general formula is Equation .

Which of the above statement (s) is/are correct?

Choices

Choice (4) Response

a.

1 and 3

b.

2 and 3

c.

1 and 2

d.

Question does not provide sufficient data or is vague

Question number: 141

» Chemistry » Periodic Classification of Elements

MCQ▾

Question

Complete the following reaction Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 142

» Chemistry » Structure of Atom

MCQ▾

Question

The chemical name of Equation and oxidation number of Mg is.

Choices

Choice (4) Response

a.

Magnesium phosphotite and three

b.

Magnesium phosphite and three

c.

Magnesium phosphide and two

d.

Magnesium phosphate and two

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