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

Boric acid cannot be used:

Question # 2

Marble is chemically

Question # 3

Which of the following element is most reactive

Question # 4

Polyanion formation is maximum in

Question # 5

Which of the following compounds is explosive in nature?

Question # 6

Density of aluminium is (g cm-3):

Question # 7

Each of the following is true of white and red phosphours except that they

Question # 8

Which of the following is a tetrabasic acid?

Question # 9

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 10

The metal with highest electrical resistance at room temperature is

Question # 11

Which of the following form normal oxide

Question # 12

The ore CaSO42H2O has the general name

Question # 13

Aluminium oxide is:

Question # 14

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

Question # 15

Identify the incorrect statement with respect to ozone

Question # 16

Permonosulphuric acid is known as

Question # 17

Where lime is not used

Question # 18

The chemical formula of magnesite is

Question # 19

All the following decompose easily on heating to give oxygen except

Question # 20

The chemical formula of Epson salt is

Question # 21

Which of the following salt is soluble in water

Question # 22

Phosphorus pentoxide finds use as

Question # 23

Carbonates of alkali metals dissolves freely in water to form

Question # 24

The oxide of beryllium is

Question # 25

Plaster of pares is obtained by heating

Question # 26

Which of the following is acidic?

Question # 27

The alkaline earth elements have in their s-orbital

Question # 28

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

Question # 29

What is chrome yellow?

Question # 30

Borax is hydrated:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
2 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic
3 Which is an essential constituent of chlorophyll
A. Be
B. Fe
C. Mg
D. Ca
4 The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is
A. Hypophosphorus acid
B. Orthophosphorus acid
C. Pyrophosphorus acid
D. Metaphosphorus acid
5 The number of electron that are paired in oxygen molecule are
A. 16
B. 12
C. 14
D. 7
6 Polyanion formation is maximum in
A. Nitrogen
B. Oxygen
C. Sulphur
D. Boron
7 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
8 Hypo is used in photography for
A. Developing picture
B. Picture printed
C. The colour of picture
D. The fixation of picture
9 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3
10 Which of the following is not the reactions of lithium

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