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

Polyanion formation is maximum in

Question # 2

Down's cell is used to prepare

Question # 3

Which of the following are electropositive in nature

Question # 4

Gypsum is a common mineral of

Question # 5

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 6

Which of the element is not alkali metal

Question # 7

Sulphuric acid has great affinity for water because

Question # 8

Which carbonate of alkali metals is insoluble in water

Question # 9

The acid used in lead storage cells is

Question # 10

S-block elements consist of

Question # 11

Where lime is not used

Question # 12

Which has soapy touch?

Question # 13

Which of the following is not the reactions of lithium

Question # 14

What causes nitrogen to be chemically inert?

Question # 15

Hybridized in oxygen is:

Question # 16

Which of the following is acidic?

Question # 17

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 18

When ammonia is heated with cupric oxide, a molecule of ammonia will

Question # 19

HNO2acts as an/a

Question # 20

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

Question # 21

Copper oxide is dedected by borax bead test with colour:

Question # 22

Which is not the form of silica?

Question # 23

Which of the following salt is soluble in water

Question # 24

Borax is hydrated:

Question # 25

Sodium should be stored in

Question # 26

The most acidic of the following compounds is

Question # 27

Which of the following is a tetrabasic acid?

Question # 28

Which is an essential constituent of chlorophyll

Question # 29

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 30

Which will have the maximum value of heat of hydration

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which is an essential constituent of chlorophyll
A. Be
B. Fe
C. Mg
D. Ca
2 The ore CaSO42H2O has the general name
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
3 Tincal is a mineral of:
A. Al
B. B
C. Si
D. C
4 When a colourless gas is passed through bromine water only decolourisation takes place the gas is
A. SO2
B. HBR
C. HCl
D. H2S
5 Which of the following phosphorus is most reactive?
A. Red phosphorus
B. White phosphorus
C. Scrlet phosphorus
D. Violet phosphorous
6 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
7 Which of the following sulphates has the highest solubility in water
A. BaSO4
B. CaSO4
C. MgSO4
D. BeSO4
8 Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?
A. 1s, 2s2, 2p6, 3s2, 3p6, 4s2
B. 1s2 , 2s2 , 2p6 , 3s2, 3p1
C. 1s2, 2s2, 2p6
D. 1s2, 2s2, 2p6, 3s2, 3p3
9 Which of all following compound is not possible
10 Which of the following has highest dipole moment?
A. NH3
B. PH3
C. AsH3
D. SbH3

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