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

Sodium should be stored in

Question # 2

Which of all following compound is not possible

Question # 3

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

Question # 4

Plaster of pares is obtained by heating

Question # 5

The acid which has a peroxy linkage is

Question # 6

______ is called milk of magnesia

Question # 7

Tincal is a mineral of:

Question # 8

Which has soapy touch?

Question # 9

Which of the following element is most reactive

Question # 10

Which property is not present in Al?

Question # 11

Which will have the maximum value of heat of hydration

Question # 12

Red P can be obtained form white P by

Question # 13

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

Question # 14

Pb has inert pair of electrons:

Question # 15

White phosphorus is

Question # 16

Which of the following salt is used as purgative

Question # 17

Which of the following has highest dipole moment?

Question # 18

Identify the incorrect statement with respect to ozone

Question # 19

Sulphuric acid has great affinity for water because

Question # 20

Crystalline form of sulphur stable at room temperature is

Question # 21

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

Question # 22

Which of the following elements is most metallic?

Question # 23

______ gives peroxide

Question # 24

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 25

Hypo is used in photography for

Question # 26

The silver bromide in hypo (Na2S2O3) solution is

Question # 27

What is the formula of asbestos?

Question # 28

Polyanion formation is maximum in

Question # 29

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

Question # 30

Sodium forms largely

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
2 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
3 ______ is used in breathing equipments for mountaineers and in space craft
A. Li2O
B. BeO
C. N2
D. KO2
4 Which metal is used in the thermit process because of its activity?
A. Iron
B. Copper
C. Alumnium
D. Zinc
5 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2
6 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
7 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
8 Which is used to remove air bubbles form metals?
A. B
B. Be
C. Mg
D. Al
9 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them
10 Which of the following is lighter
A. Li
B. k
C. Na
D. Ca

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