Non-Metals and Their Compounds: MCQ Test (25 questions)

Question 1 of 25

Which of the following will absorb larger volumes of hydrogen?

AAcidic solution of palladium
BColloidal Ferric Hydroxide
Crefined split platinum
DRefined divided nickel

Question 2 of 25

The tip of a match contains_

Aphosphorus pentoxide
Bphosphorus trichloride
CRed Phosphorus
Dwhite phosphorus

Question 3 of 25

To correct impaired thyroid function, iodized salt is usually given in which of the following forms?

Apotassium iodate
Bsodium iodate
CMagnesium Iodate
Dpotassium iodide

Question 4 of 25

Which is the most abundant gas in the atmosphere on the basis of percentage?

Anitrogen
Bcarbon dioxide
Chydrogen
Doxygen

Question 5 of 25

Helium is preferred over hydrogen in air balloons because

Ais relatively cheap
Bis relatively less dense
CPossesses relatively high lifting power
Ddoes not form explosive mixtures with air

Question 6 of 25

The ratio of hydrogen and oxygen in water by weight is ____

A0.047222222222222
B0.33402777777778
C0.043055555555556
D0.084027777777778

Question 7 of 25

Used in bleaching hair

ASulfuric good
Boxalic acid
Chydrogen peroxide
Dheavy water

Question 8 of 25

Inert gases do not react with other elements because_

Ais an atomic
BThe size of their atoms is very small
CIt is not found in large quantities.
DThey have fully paired permanent shells

Question 9 of 25

Which of the following is used in pencils?

APhosphorus
BCharcoal
Cgraphite
DSulphur

Question 10 of 25

Which one of the following is not a nitrogenous fertilizer?

Aammonium sulphate
BUrea
Cammonium nitrate
DSuper Phosphate

Question 11 of 25

Which of the following is not an isotope of hydrogen?

AProtium
BDeuterium
Ctritium
DAtrium

Question 12 of 25

Which of the following statements is not correct regarding dihydrogen (H²)?

AH² is lighter than air and insoluble in water.
BDue to high H-H bond dissociation enthalpies, H
CH² reacts with alkali metals at high temperatures, forming metal hydrides
DThe mixture of NO and H is known as syngas.

Question 13 of 25

Which element is available in the largest quantity in the universe?

Anitrogen
Bhydrogen
Coxygen
DGinikon

Question 14 of 25

Seaweeds are an important source of which of the following?

Asulfurous
Bof chlorine
Cof bromine
Dof iodine

Question 15 of 25

What is the approximate percentage of oxygen in the air?

A0.21
B1
C0.01
D0.78

Question 16 of 25

Hydrogenation of vegetable oils using nickel catalyst is an example of which of the following?

Asubstitution reaction
Belimination reaction
Caddition reaction
Dfree radical polymerization

Question 17 of 25

Which of the following is monatomic?

Ahydrogen
BSulphur
CPhosphorus
Dhelium

Question 18 of 25

Which of the following is responsible for global warming?

Amethane
Bcarbon dioxide
Cwater vapor
DAll of the above

Question 19 of 25

The gas commonly used in advertising signboards and decorative lights is ____

Anitrogen
Bchlorine
Chydrogen
DNeon

Question 20 of 25

Which of the following elements is required in the largest quantity by growing plants?

Acalcium
Bnitrogen
CIron
DPhosphorus

Question 21 of 25

Which one of the following groups of gases contributes to the 'greenhouse effect'?

Acarbon dioxide and methane
BAmmonia and ozone
Ccarbon monoxide and sulfur dioxide
Dcarbon tetrafluoride and nitrous oxide

Question 22 of 25

Supersonic aircraft emit the following substances into the stratosphere?

ANOx
BSOx
CCO²
DH²

Question 23 of 25

Which of the following non-metals is a good conductor of electricity?

Abromine
Bgraphite
CIodine
DCrypton

Question 24 of 25

The most reactive form of phosphorus is—

ARed Phosphorus
BYellow or white phosphorus
Cblack phosphorus
DPurple Phosphorus

Question 25 of 25

It is not advisable to sleep under a tree at night, because then it will cause ___

Acarbon dioxide is released
Bcarbon monoxide is released
CLess oxygen is released
Dmore oxygen is released