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

Electron affinity of sulphur is

Question # 2

Heavy water is obtained by

Question # 3

Sulphuric acid reacts with PCl5to give

Question # 4

The oxide of beryllium is

Question # 5

The alkali metals form

Question # 6

Which one of the following is not an alkali metal

Question # 7

Sodium forms largely

Question # 8

P2O5is heated with water to give

Question # 9

Aluminium oxide is:

Question # 10

Which of the following is acidic?

Question # 11

Phosphide ion has the electronic structure similar to that of

Question # 12

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

Question # 13

The formula of lime stone is

Question # 14

The maximum number of electrons in the outermost shall of s-black elements is

Question # 15

Gypsum is applied to the soil to provide calcium and

Question # 16

What is going to replace the petroleum?

Question # 17

Identify the incorrect statement with respect to ozone

Question # 18

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 19

______ gives peroxide

Question # 20

CaC2on hydrolysis form

Question # 21

Basicity of orthoposphoric acid is

Question # 22

Which of the following is the hardest metal among following

Question # 23

The ore CaSO42H2O has the general name

Question # 24

Copper oxide is dedected by borax bead test with colour:

Question # 25

Which of the following elements is most metallic?

Question # 26

Which of all following compound is not possible

Question # 27

Lithium reacts with air to form

Question # 28

The silver bromide in hypo (Na2S2O3) solution is

Question # 29

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 30

Alkaline earth metals are usually

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Hypo is used in photography for
A. Developing picture
B. Picture printed
C. The colour of picture
D. The fixation of picture
2 Which property is not present in Al?
A. Reacts with acid
B. Reacts with bases
C. Changes litmus paper
D. Changes methyle orange colour
3 Which on of the following compounds does not exist?
A. NCl5
B. AsF5
C. SbCl5
D. PF5
4 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K
5 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
6 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
7 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
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 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
10 Which of the following salt is used as purgative
A. CaSO4
B. MgSO4
C. BeSO4
D. NaCl

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