Chemistry 10 Past Papers 2019 MCQs Tests

Federal Board, FBISE Chemistry 10 MCQs Tests of 2019 Past Papers are available on this page. There are two Chemistry papers conducted in 2019, the one is taken within Pakistan and the second paper is an overseas paper. MCQs Tests for both papers are given below. Chapter-wise MCQs Tests of Chemistry 10 are available HERE.

Past Paper 2019 (Local)
Practice MCQs Test

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6

Class 10 Chemistry
Past Paper 2019 (Local)
Practice MCQs Test

1 / 12

Which of the following is a Lewis acid?

[katex]{ F }^{ - }[/katex]

[katex]O{ H }^{ - }[/katex]

[katex]B{ F }_{ 3 }[/katex]

[katex]N{ H }_{ 3 }[/katex]

2 / 12

Raffinose produces ______ units of simple sugars when hydrolyzed.

5

3

4

2

3 / 12

What are the units of Kc for
\( { N }_{ 2(g) }+{ O }_{ 2(g) }\rightleftharpoons 2{ N }{ O }_{ 2(g) } \)?

\({ dm }^{ 3 }.{ mol }^{ -1 }\)

\({ mol }^{ 2 }.{ dm }^{ -6 }\)

\( { mol } { dm }^{ -3 }\)

No units

4 / 12

Chemical formula of ammonium carbamate is:

[katex]{ NH }_{ 4 }N{ O }_{ 3 }[/katex]

[katex]{ NH }_{ 2 }CON{ H }_{ 2 }[/katex]

[katex]{ NH }_{ 2 }COON{ H }_{ 4 }[/katex]

[katex]{ (NH }_{ 4 })_{ 2 }SO_{ 4 }[/katex]

5 / 12

Which of the following is an aldehyde?

[katex]{ CH }_{ 3 }{ CH }_{ 2 }CHO[/katex]

[katex]{ CH }_{ 3 }{ COCH }_{ 3 }[/katex]

[katex]{ CH }_{ 3 }COOH[/katex]

[katex]{ C }_{ 6 }{ H }_{ 5 }OH[/katex]

6 / 12

Which of the following process is reduction in nature?

Floatation

Grinding

Smelting

Roasting

7 / 12

The substance which fight against diseases in living organisms are:

Proteins

Lipids

Enzymes

Carbohydrates

8 / 12

Each DNA nucleotide consists of:

3 components

2 components

5 components

4 components

9 / 12

Permanent hardness of water can be removed by:

Ion exchange method

Clark’s method

Cooling

Boiling

10 / 12

Fehling’s solution is used to determine the presence of:

Aldehyde and Ketone

Ketone

Phenol

Alcohol

11 / 12

What will happen if \([O{ H }^{ - }]\) increases?

Solution becomes Neutral

Solution becomes acidic

Solution becomes Basic

Solution becomes unpredictable

12 / 12

Identify molecule produced when electrical discharges pass through oxygen in air:

[katex]{ O }_{ 2 }[/katex]

[katex] \frac { 1 }{ 2 } { O }_{ 2 }[/katex]

[katex]{ O }_{ 3 }[/katex]

[katex]{ O }_{ 4 }[/katex]

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Past Paper 2019 (Overseas)
Practice MCQs Test

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9

Class 10 Chemistry
Past Paper 2019 (Overseas)
Practice MCQs Test

1 / 12

In the given reaction which species is donating an electron pair?
\({ NH }_{ 3 }+{ BF }_{ 3 }\rightarrow { H }_{ 3 }N-{ BF }_{ 3 }\)

N

B

H

\({ BF }_{ 3 }\)

2 / 12

Baeyer’s test is used to detect the presence of:

Alkene

Alkane

Ketone

Aldehyde

3 / 12

Percentage of nitrogen in urea is:

46.6

35

80

21.2

4 / 12

A drain cleaner contains 1.0 × \({ 10 }^{ -8 }\)M, \({ OH }^{ - }\) concentration, this solution is:

Neutral

Basic

Unpredictable

Acidic

5 / 12

The volumetric ratio between hydrogen and oxygen in water is:

2:01

1:08

2:02

3:01

6 / 12

Which compound has two halogen atoms on adjacent carbon atoms?

Ether

Alkyle halide

Ester

Vicinal dihalide

7 / 12

For which reaction Kc has NO units?

[katex]PC{ l }_{ 5 }\rightleftharpoons PCl_{ 3 }+{ Cl }_{ 2 }[/katex]

[katex]2N{ O }_{ 2 }\rightleftharpoons { N }_{ 2 }{ O }_{ 4 }[/katex]

[katex]{ N }_{ 2 }+3{ H }_{ 2 }\rightleftharpoons 2N{ H }_{ 3 }[/katex]

[katex]2ICl\rightleftharpoons I_{ 2 }+{ Cl }_{ 2 }[/katex]

8 / 12

Formic acid contains _______ functional group.

−CHO

−OH

−CO−

−COOH

9 / 12

The word vitamin was first used by:

Casmir Funk

C. Eijkman

F.G. Hopkins

Francis Crick

10 / 12

Halite is an ore of:

Zinc

Iron

Sodium

Copper

11 / 12

Identify the compound responsible for acid rain:

Sulphur dioxide

Vicinal dihalide

Glyoxal

Chlorofluorocarbons

12 / 12

The linkage which joins two amino acids is called:

Metallic Bond

Ionic Bond

Covalent Bond

Peptide Bond

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