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

Phosphine is not obtained by the reaction when

Question # 2

Silicon atom is hybridized:

Question # 3

Copper oxide is dedected by borax bead test with colour:

Question # 4

Which of the following phosphorus is most reactive?

Question # 5

Solvay process is used in the manufacture of

Question # 6

NaHCO3is prepared by

Question # 7

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 8

The structure of white phosphorus is

Question # 9

Which of the following element is most reactive

Question # 10

The chemical formula of Trona is

Question # 11

White phosphorus is

Question # 12

All the elements of oxygen family are

Question # 13

The formula of lime stone is

Question # 14

The chemical formula of magnesite is

Question # 15

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

Question # 16

Ozone is not

Question # 17

All the following decompose easily on heating to give oxygen except

Question # 18

The oxide of beryllium is

Question # 19

The ore CaSO42H2O has the general name

Question # 20

Which of the following salt is used as purgative

Question # 21

Which colour is imparted by sodium

Question # 22

Sodium hexametaphophate is known as

Question # 23

Which of the following is a tetrabasic acid?

Question # 24

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

Question # 25

Which has soapy touch?

Question # 26

Which of all following compound is not possible

Question # 27

Boric acid cannot be used:

Question # 28

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 29

Which of the following is the hardest metal among following

Question # 30

Which is used in navigational equipments?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of all following compound is not possible
2 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
3 Which of the following is not the reactions of lithium
4 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
5 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
6 Sulphuric acid has great affinity for water because
A. It hydrolyses the acid
B. It decomposes the acid
C. Acid forms hydrates with water
D. Acid decomposes water
7 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
8 The oxidation number of each element of group l-A is
A. 0
B. +1
C. +2
D. -1
9 The chemical formula of magnesite is
A. MgCl2
B. Mg(HCO3)2
C. MgCO3
D. None of these
10 Which is used to remove air bubbles form metals?
A. B
B. Be
C. Mg
D. Al

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