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

Chief ore of aluminium is:

Question # 2

Which of the following is not the reactions of lithium

Question # 3

CaC2on hydrolysis form

Question # 4

Boric acid cannot be used:

Question # 5

Hybridized in carbon is:

Question # 6

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

Question # 7

______ gives peroxide

Question # 8

Which of the following is a tetrabasic acid?

Question # 9

Which of the following phosphorus is most reactive?

Question # 10

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 11

Which of the following compounds is explosive in nature?

Question # 12

S-block elements consist of

Question # 13

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 14

Heavy water is obtained by

Question # 15

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

Question # 16

Tincal is a mineral of:

Question # 17

The oxide of beryllium is

Question # 18

Which of all following compound is not possible

Question # 19

The metal with highest electrical resistance at room temperature is

Question # 20

Baking powder has which one of the following formula

Question # 21

The formula of lime stone is

Question # 22

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 23

Corrundam is ore of:

Question # 24

What is going to replace the petroleum?

Question # 25

Dipole moment of CO molecule is:

Question # 26

The ore CaSO42H2O has the general name

Question # 27

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

Question # 28

Gypsum is a common mineral of

Question # 29

Which of the following element is most reactive

Question # 30

The chemical formula of gypsum is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Each of the following is true of white and red phosphours except that they
A. Are both soluble in CS2
B. Can be oxidized by heating in air
C. Consist of the same kind of atoms
D. Can be converted into one another
2 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
3 Which of the following elements is most metallic?
A. P
B. As
C. Sb
D. Bi
4 Phosphine is not obtained by the reaction when
A. White P is heated with NaOH
B. Red P is heated with NaOH
C. Ca2P2reacts with water
D. PH4l is boiled with water
5 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
6 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
7 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
8 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
9 Which of the following statement is not related to Solvay's process of Na2CO3
A. Cheap materials
B. Pure product
C. Continuous process
D. Harmful by-products
10 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide

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