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

00:00
Question # 1

Red P can be obtained form white P by

Question # 2

The most acidic of the following compounds is

Question # 3

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

Question # 4

Sodium should be stored in

Question # 5

What causes nitrogen to be chemically inert?

Question # 6

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

Question # 7

Which is an essential constituent of chlorophyll

Question # 8

The element which has a simple cubic lattice in solid state is

Question # 9

Which of the following is not the reactions of lithium

Question # 10

White phosphorus is

Question # 11

The oxidation number of each element of group ll-A is

Question # 12

A compound used as eye wash:

Question # 13

The chemical formula of chile salt peter is

Question # 14

Which one of the following is not an alkali metal

Question # 15

The element caesium bears resemblance with

Question # 16

Hypo is used in photography for

Question # 17

The chemical formula of Trona is

Question # 18

The chemical formula of Epson salt is

Question # 19

Aluminium oxide is:

Question # 20

White P when boiled with strong solution of caustic soda produces

Question # 21

Alkali metals react violently with halogens to form

Question # 22

The chemical formula of gypsum is

Question # 23

Which of all following compound is not possible

Question # 24

Which is used in navigational equipments?

Question # 25

Which of the following elements is most metallic?

Question # 26

The silver bromide in hypo (Na2S2O3) solution is

Question # 27

Plaster of pares is obtained by heating

Question # 28

Ozone is not

Question # 29

Which element form group 15 gives most basic compound with hydrogen?

Question # 30

Which of the following is acidic?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
2 Which one of the following elements occurs free in nature?
A. N
B. P
C. As
D. Sb
3 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite
4 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
5 On alkali and alkaline earth metals down the group, there is decreasing trend in
A. m.p.
B. b.p.
C. Ionization potentiall
D. All of these
6 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
7 The ore CaSO42H2O has the general name
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
8 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
9 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
10 When a colourless gas is passed through bromine water only decolourisation takes place the gas is
A. SO2
B. HBR
C. HCl
D. H2S

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