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

Identify the incorrect statement with respect to ozone

Question # 2

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

Question # 3

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 4

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 5

Tincal is a mineral of:

Question # 6

Density of aluminium is (g cm-3):

Question # 7

The oxide of beryllium is

Question # 8

Oleum is

Question # 9

Borax is hydrated:

Question # 10

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

Question # 11

Which of the following is a tetrabasic acid?

Question # 12

Hybridized in oxygen is:

Question # 13

Which of the following oxides is peroxide?

Question # 14

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

Question # 15

Which of the following fluorides does not exists?

Question # 16

Which has soapy touch?

Question # 17

The alkali metals form

Question # 18

The silver bromide in hypo (Na2S2O3) solution is

Question # 19

Phosphine is not obtained by the reaction when

Question # 20

Dipole moment of CO molecule is:

Question # 21

What is going to replace the petroleum?

Question # 22

The most acidic of the following compounds is

Question # 23

Orthophosphoric acid is

Question # 24

All the elements of oxygen family are

Question # 25

Which carbonate of alkali metals is insoluble in water

Question # 26

Which of the element is not alkali metal

Question # 27

Calcium carbide reacts with water to produce

Question # 28

Which of the following form normal oxide

Question # 29

Which property is not present in Al?

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Boric acid cannot be used:
A. An antiseptic in medicine
B. For washing eyes
C. In soda bottles
D. For enamels and glazes
2 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
3 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus
4 What is going to replace the petroleum?
A. Silica
B. Silicates
C. Silicones
D. Silicon
5 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
6 Aluminium oxide is:
A. Acidic oxide
B. Basic oxide
C. Amphoteric oxided
D. None of these
7 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
8 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
9 Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?
A. Nitric oxide
B. Nitrous oxide
C. Nitrogen dioxide
D. Dinitrogen tetraoxide
10 As a fixing agent in photography, sodium thisoulphate is used for
A. Dissolving out unreacted silver bromide
B. Converting silver
C. Reducing solubility of AgBr
D. Preventing overdeveloping and fogging

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