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

LiOH ______ soluble than NaOH

Question # 2

Which is an essential constituent of chlorophyll

Question # 3

Which element form group 15 gives most basic compound with hydrogen?

Question # 4

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 # 5

Dipole moment of CO molecule is:

Question # 6

Which of the following elements is most metallic?

Question # 7

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

Question # 8

Alkaline earth metals posses two electrons in their outermost

Question # 9

The chemical formula of chile salt peter is

Question # 10

Each of the following is true of white and red phosphours except that they

Question # 11

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 # 12

Tincal is a mineral of:

Question # 13

Which of the following sulphates has the highest solubility in water

Question # 14

The chemical formula of Epson salt is

Question # 15

All the following decompose easily on heating to give oxygen except

Question # 16

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

Question # 17

Hybridized in oxygen is:

Question # 18

Sodium should be stored in

Question # 19

NaHCO3is commonly called

Question # 20

Bond angle is minimum for

Question # 21

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

Question # 22

The element caesium bears resemblance with

Question # 23

As a fixing agent in photography, sodium thisoulphate is used for

Question # 24

Red P can be obtained form white P by

Question # 25

The silver bromide in hypo (Na2S2O3) solution is

Question # 26

Which of the element is not an alkaline earth metal

Question # 27

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 28

Which on of the following compounds does not exist?

Question # 29

BiCl3on hydrolysis forms a white precipitate of

Question # 30

Borax is hydrated:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
2 Which of the following elements is most metallic?
A. P
B. As
C. Sb
D. Bi
3 NaHCO3is commonly called
A. Soda ash
B. Baking soda
C. Washing soda
D. None of these
4 In a group IIA from top to bottom as the atomic number increases, there is regular decreases in
A. Ionic size
B. Atomic size
C. Ionization potential
D. None of these
5 The ore CaSO42H2O has the general name
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
6 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
7 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
8 When ammonia is heated with cupric oxide, a molecule of ammonia will
A. Gain 3 electrons
B. Lose 3 electrons
C. Gain 2 electrons
D. Lose 2 electrons
9 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite
10 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr

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