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

Which of the following elements is not present abundantly in earth's crust?

Question # 2

Tincal is a mineral of:

Question # 3

Solvay process is used in the manufacture of

Question # 4

Which is not the form of silica?

Question # 5

______ is called milk of magnesia

Question # 6

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 # 7

Sodium is never found free in nature because of its

Question # 8

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

Question # 9

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

Question # 10

Alkaline earth metals posses two electrons in their outermost

Question # 11

Which of the element is not alkali metal

Question # 12

Which on of the following compounds does not exist?

Question # 13

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 14

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

Question # 15

Heavy water is obtained by

Question # 16

Which of the following are electropositive in nature

Question # 17

The silver bromide in hypo (Na2S2O3) solution is

Question # 18

Plaster of pares is obtained by heating

Question # 19

Electron affinity of sulphur is

Question # 20

Which one of the following pentafluorides cannot be formed?

Question # 21

All the elements of oxygen family are

Question # 22

The oxide of beryllium is

Question # 23

BiCl3on hydrolysis forms a white precipitate of

Question # 24

Which of the following is the hardest metal among following

Question # 25

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 26

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

Question # 27

Orthophosphoric acid is

Question # 28

Which is used in navigational equipments?

Question # 29

Lithium reacts with air to form

Question # 30

White P when boiled with strong solution of caustic soda produces

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Crystalline form of sulphur stable at room temperature is
A. Rhombic sulphur
B. Monoclinic sulphur
C. Plastic sulphur
D. Prismatic sulphur
2 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
3 On alkali and alkaline earth metals down the group, there is decreasing trend in
A. m.p.
B. b.p.
C. Ionization potentiall
D. All of these
4 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
5 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
6 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
7 Which of the following elements is most metallic?
A. P
B. As
C. Sb
D. Bi
8 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
9 As a fixing agent in photography, sodium thisoulphate is used for
A. Dissolving out unreacted silver bromide
B. Converting silver
C. Reducing solubility of AgBr
D. Preventing overdeveloping and fogging
10 Corrundam is ore of:
A. Li
B. Be
C. B
D. Al

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