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

Gypsum is a common mineral of

Question # 2

Sodium is never found free in nature because of its

Question # 3

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 # 4

Which is litharge or massicot?

Question # 5

Which of the following is acidic?

Question # 6

Silicon atom is hybridized:

Question # 7

Bond angle is minimum for

Question # 8

Which of the following equations represents the action of heat on NaHCO3

Question # 9

Which one of the following properties is not correct for ozone?

Question # 10

Which of the following is formed by the action of water on sodium peroxide?

Question # 11

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

Question # 12

Identify the incorrect statement with respect to ozone

Question # 13

Corrundam is ore of:

Question # 14

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 15

The acid which has a peroxy linkage is

Question # 16

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 # 17

The oxide of beryllium is

Question # 18

Which of the following salt is soluble in water

Question # 19

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

Question # 20

The formula of lime stone is

Question # 21

Which salt is used for preserving food

Question # 22

Which of the following fluorides does not exists?

Question # 23

All the following decompose easily on heating to give oxygen except

Question # 24

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

Question # 25

Plaster of pares is obtained by heating

Question # 26

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

Question # 27

The metal with highest electrical resistance at room temperature is

Question # 28

Hybridized in oxygen is:

Question # 29

Phosphine is not obtained by the reaction when

Question # 30

The element caesium bears resemblance with

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 P2O5is heated with water to give
A. Hypophosphorus acid
B. Phosphorus acid
C. Hypophosphorus acid
D. Orthophosphorus acid
2 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
3 Basicity of orthoposphoric acid is
A. 2
B. 3
C. 4
D. 5
4 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
5 Which one of the following pentafluorides cannot be formed?
A. PF5
B. AsF5
C. SbF5
D. BiF5
6 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
7 Red P can be obtained form white P by
A. Heating it with a catalyst in an inert atmosphere
B. Distilling it in an inert atmosphere
C. Dissolving it in CS2and crysllizing
D. Melting it ad pouring the liquid into water
8 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
9 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite
10 Crystalline form of sulphur stable at room temperature is
A. Rhombic sulphur
B. Monoclinic sulphur
C. Plastic sulphur
D. Prismatic sulphur

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