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 alkaline earth elements have in their s-orbital

Question # 2

Oleum is

Question # 3

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

Question # 4

What causes nitrogen to be chemically inert?

Question # 5

LiOH ______ soluble than NaOH

Question # 6

P2O5is heated with water to give

Question # 7

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

Question # 8

Which one of the following elements occurs free in nature?

Question # 9

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 10

Borax is hydrated:

Question # 11

Pb has inert pair of electrons:

Question # 12

Which is not the form of silica?

Question # 13

Which is used in navigational equipments?

Question # 14

The metal with highest electrical resistance at room temperature is

Question # 15

Marble is chemically

Question # 16

The chemical formula of gypsum is

Question # 17

Which carbonate of alkali metals is insoluble in water

Question # 18

S-block elements consist of

Question # 19

Which property is not present in Al?

Question # 20

Which of all following compound is not possible

Question # 21

Bond angle is minimum for

Question # 22

Sulphuric acid has great affinity for water because

Question # 23

In the earth crust sodium is

Question # 24

Which will have the maximum value of heat of hydration

Question # 25

Which of the following elements is most metallic?

Question # 26

Sulphuric acid reacts with PCl5to give

Question # 27

Which of the following form normal oxide

Question # 28

HNO2acts as an/a

Question # 29

Which of the element is not alkali metal

Question # 30

Alkaline earth metals are usually

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The number of electron that are paired in oxygen molecule are
A. 16
B. 12
C. 14
D. 7
2 Silicon atom is hybridized:
A. sp
B. sp2
C. sp3
D. dsp2
3 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
4 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
5 Which one of the following properties is not correct for ozone?
A. It oxidizes lead sulphides
B. It oxidizes potassium iodide
C. It oxidizes mercury
D. It cannot act as a bleaching agent
6 Which element forms an iron with charge 3+?
A. Berylium
B. Aluminium
C. Carbon
D. Silicon
7 Which of the following are electropositive in nature
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Alkali and alkaline earth metals
8 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
9 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
10 The chemical formula of gypsum is
A. CaSO4. 5H2O
B. CaSO4. 4H2O
C. CaSO4. 2H2O
D. None of these

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