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

Ozone is not

Question # 2

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

Question # 3

The oxidation number of each element of group ll-A is

Question # 4

Alkaline earth metals posses two electrons in their outermost

Question # 5

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

Question # 6

The formula of lime stone is

Question # 7

Borax is hydrated:

Question # 8

Which of the element is not an alkaline earth metal

Question # 9

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 10

Electron affinity of sulphur is

Question # 11

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

Question # 12

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 # 13

Which of the following form normal oxide

Question # 14

CaC2on hydrolysis form

Question # 15

Which is used to remove air bubbles form metals?

Question # 16

What is the formula of asbestos?

Question # 17

Phosphine is not obtained by the reaction when

Question # 18

Which of the following is lighter

Question # 19

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

Question # 20

Boric acid cannot be used:

Question # 21

Sulphuric acid reacts with PCl5to give

Question # 22

LiOH ______ soluble than NaOH

Question # 23

Which of the following has highest dipole moment?

Question # 24

Which one of the following elements occurs free in nature?

Question # 25

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 26

Commercial common salt becomes slight damp on storing because

Question # 27

Plaster of pares is obtained by heating

Question # 28

Which shows maximum catenation property?

Question # 29

The ore CaSO42H2O has the general name

Question # 30

Which salt is used for the treatment of hyperacidity in stomach

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Chief ore of aluminium is:
A. Na3AIF6
B. Al2O3.2H2O
C. Al2O3
D. Al2O3 .H2O
2 Which of the following form normal oxide
A. K
B. Li
C. Na
D. None
3 In the earth crust sodium is
A. 2.50%
B. 2.30%
C. 2.40%
D. 3.50%
4 Orthophosphoric acid is
A. Monobasic
B. Dibasic
C. Tribasic
D. Tetrabasic
5 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2
6 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
7 When sulphur is boiled with Na2SO3solution, the compound formed is
A. Sodium sulphides
B. Sodiums sulphates
C. Sodium persulphate
D. Sodium thiosulphate
8 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
9 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
10 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid

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