ECAT Pre Engineering Chemistry Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

Try The MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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Question # 1

Density of aluminium is (g cm-3):

Question # 2

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 3

Which of the following salt is used as purgative

Question # 4

Which has soapy touch?

Question # 5

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 6

NaHCO3is prepared by

Question # 7

Which of the following equations represents the action of heat on NaHCO3

Question # 8

The electrolytic cell used for the production of metallic sodium is known as

Question # 9

NaHCO3is commonly called

Question # 10

______ reacts with alkalis to give hydrogen

Question # 11

Which element among the following belongs to Group IV-A of the periodic table?

Question # 12

Down's cell is used to prepare

Question # 13

Phosphorus pentoxide finds use as

Question # 14

Marble is chemically

Question # 15

The structure of white phosphorus is

Question # 16

Carbonates of alkali metals dissolves freely in water to form

Question # 17

Baking powder has which one of the following formula

Question # 18

The chemical formula of Trona is

Question # 19

Which of the following is not the reactions of lithium

Question # 20

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 21

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 22

Commercial common salt becomes slight damp on storing because

Question # 23

A compound used as eye wash:

Question # 24

Corrundam is ore of:

Question # 25

Which of the following sulphates is not soluble in water

Question # 26

Which of the following is a tetrabasic acid?

Question # 27

Ozone is not

Question # 28

Heavy water is obtained by

Question # 29

Sodium forms largely

Question # 30

As a fixing agent in photography, sodium thisoulphate is used for

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Corrundam is ore of:
A. Li
B. Be
C. B
D. Al
2 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
3 Each of the following is true of white and red phosphours except that they
A. Are both soluble in CS2
B. Can be oxidized by heating in air
C. Consist of the same kind of atoms
D. Can be converted into one another
4 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
5 When a colourless gas is passed through bromine water only decolourisation takes place the gas is
A. SO2
B. HBR
C. HCl
D. H2S
6 Which of the following is not the reactions of lithium
7 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these
8 Borax is a common mineral of alkali metal sodium. Its formula is
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
9 Lithium reacts with air to form
A. Peroxide
B. Normal oxide
C. Superoxide
D. None of these
10 Electron affinity of sulphur is
A. More than O and Se
B. More than O but less than Se
C. Less than O but more than Se
D. Equal to O and Se

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