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

00:00
Question # 1

The element which has a simple cubic lattice in solid state is

Question # 2

Phosphorus pentoxide finds use as

Question # 3

Which one of the following is not an alkali metal

Question # 4

Which of the following is acidic?

Question # 5

Which of the following sulphates is not soluble in water

Question # 6

In the earth crust sodium is

Question # 7

Alkaline earth metals are usually

Question # 8

Which of the following salt is soluble in water

Question # 9

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 10

Which of all following compound is not possible

Question # 11

Plaster of pares is obtained by heating

Question # 12

Aluminium oxide is:

Question # 13

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

Question # 14

Which shows maximum catenation property?

Question # 15

What is chrome yellow?

Question # 16

The alkali metals form

Question # 17

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

Question # 18

Copper oxide is dedected by borax bead test with colour:

Question # 19

Phosphide ion has the electronic structure similar to that of

Question # 20

Which one of the following elements occurs free in nature?

Question # 21

Electron affinity of sulphur is

Question # 22

BiCl3on hydrolysis forms a white precipitate of

Question # 23

Carbonates of alkali metals dissolves freely in water to form

Question # 24

The ore CaSO42H2O has the general name

Question # 25

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 26

Hybridized in oxygen is:

Question # 27

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 # 28

Which of the element is not an alkaline earth metal

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Corrundam is ore of:
A. Li
B. Be
C. B
D. Al
2 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
3 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
4 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic
5 Borax is a common mineral of alkali metal sodium. Its formula is
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
6 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
7 Ozone is not
A. An allotrope
B. A powerful oxidizing agent
C. Paramagnetic
D. A bent molecule
8 Which one of the following pentafluorides cannot be formed?
A. PF5
B. AsF5
C. SbF5
D. BiF5
9 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
10 Density of aluminium is (g cm-3):
A. B
B. Al
C. Si
D. Ge

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