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

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 2

Which of the following is not the reactions of lithium

Question # 3

The element caesium bears resemblance with

Question # 4

The structure of white phosphorus is

Question # 5

Al is the most element in earth crust:

Question # 6

Basicity of orthoposphoric acid is

Question # 7

Which one of the following properties is not correct for ozone?

Question # 8

Which of the following sulphates is not soluble in water

Question # 9

______ reacts with alkalis to give hydrogen

Question # 10

Red P can be obtained form white P by

Question # 11

Which shows maximum catenation property?

Question # 12

The chemical formula of Trona is

Question # 13

Dipole moment of CO molecule is:

Question # 14

Commercial common salt becomes slight damp on storing because

Question # 15

P2O5is heated with water to give

Question # 16

Which of the following sulphates has the highest solubility in water

Question # 17

Which of the following element is most reactive

Question # 18

Phosphorus pentoxide finds use as

Question # 19

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 20

Hybridized in carbon is:

Question # 21

Which has soapy touch?

Question # 22

Tincal is a mineral of:

Question # 23

______ gives peroxide

Question # 24

Which of the following is acidic?

Question # 25

Which is used in navigational equipments?

Question # 26

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 27

The most acidic of the following compounds is

Question # 28

Chile saltpetre has the chemical formula

Question # 29

Which one of the following does not belong to alkaline earth metals

Question # 30

Phosphine is not obtained by the reaction when

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following equations represents the action of heat on NaHCO3
2 ______ is called milk of magnesia
A. NaOH
B. KOH
C. LiOH
D. None
3 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
4 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them
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 Silicon atom is hybridized:
A. sp
B. sp2
C. sp3
D. dsp2
7 When ammonia is heated with cupric oxide, a molecule of ammonia will
A. Gain 3 electrons
B. Lose 3 electrons
C. Gain 2 electrons
D. Lose 2 electrons
8 Bond angle is minimum for
A. H2O
B. H2S
C. H2Se
D. H2Te
9 Which property is not present in Al?
A. Reacts with acid
B. Reacts with bases
C. Changes litmus paper
D. Changes methyle orange colour
10 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid

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