Science Chemistry MCQ-202

General Science-Chemistry Practice Test for UPSC, CDS, RBI, UPPSC, NDA, JPSC, CivilsPrelims, SSC Exams



Match the following:
Column I————–Column II

A. Acetic acid I. Milk
B. Tannic acid II. Proteins
C. Amino acid III. Tea
D. Lactic acid IV. Vinegar

 
 
 
 

Match the following:
Column I————Column II

I. Washing soda A. NaCI
II. Caustic soda B. Na2CO3. 10H2O
III. Common salt C. 2CaSO4 H2O
IV. Plaster of Paris D. NaOH

 
 
 
 

Match the following columns

Column I —— Column II

A. Mercury I. Element
B. Oxygen II. Compound
C. Water III. Mixture
D. Air IV. Metal

 
 
 
 

Match the following columns.
Column I————Column II

A. Sodium Hydroxide I. NaCI
B. Sodium Bicarbonate II. Na2CO3.10H2O
C. Sodium chloride III. NaHCO
D. Sodium carbonate IV. NaOH

 
 
 
 

Match the following:

A. N2O I. White crystalline solid
B. NO II. Colourless gas reckind a glowing splint
C. NO2 III. Colourless gas turning brown in air
D. N2O5 IV. Reddish brown gas

 
 
 
 

Match the following:
I——————II

A. Helium I. Treatment of Cancer
B. Neon II. Electrical signs
C. Radon III. Generation of low temperatures

 
 
 
 

Match the following:

I —————– II
A. Freon I. Bleaching
B. Chloroform II. Antiseptic
C. lodoform III. Refrigerant
D. Ozone IV. Anaesthetic

 
 
 
 

Match the following:

A———————–B

I. Natural rubber A. Buna-S
II. Synthetic rubber B. Latex
III. Natural fibre C. Wool
IV. Synthetic fibre D. Nylon

 
 
 
 

Match the following.

I. Aluminium A. Pitchblende
II. Iron – B. Lepidolite
III. Lithium C. Haematite
IV. Uranium D. Bauxite

 
 
 
 

Match the following:

A. Glass I. Phosphorus
B. Matchsticks II. Sodium
C. Fertilizer III. Sodium Silicate
D. Salt IV. Potassium sulphate

 
 
 
 

Match the following:

I. Quinine A. Sugarcane
II. Molasses B. Cinchona
III. Iodine C. Hevea
IV. Rubber D. Sea kelp

 
 
 
 

Methods of separation

I————————————— II

A. Iron filings and sulphur I. Sublimation
B. Components of chlorophyll II. Magnetic separation
C. Iodine and Common salt III. Mechanically by picking up violet crystals of iodine
D. Ammonium chloride and iodine crystals IV. Chromato graphy

 
 
 
 

Match the following:

I ———— II
A. Tin I. Auntie
B. Copper II. Argentite
C. Silver III. Starinite
D. Gold IV. Malachite

 
 
 
 

Which pair is incorrect?

 
 
 
 

Units of Measurement:

I——————II
A. Energy I. N/kg
B. Universal gas Constant II. fermi
C. Nuclear radius III. kg m2 s-2
D. Acceleration IV. Joule/mole K

 
 
 
 

Which of the following pairs is a mismatch?

(i) Natural rubber: isoprene
(ii) Plexiglas:methyl methacrylate
(iii) Nylone 6: caprolactam
(iv) Teflon:tetrafluoroethylene

 
 
 
 

Which one of the following pairs represents isobars?

 
 
 
 

The combustible material on the tip of a safety match stick is

 
 
 
 

Which pair of substance is said to be isomorphous.

 
 
 
 

Which process is used for beneficiation (dressing) of ores?

 
 
 
 

Which quantum number cannot have an integral value?

 
 
 
 

Which solids are readily soluble in water ?

 
 
 
 

Which vitamin is found only in animal food products but not in vegetable food products?

 
 
 
 

Which was the first organic compound to be synthesised in a laboratory?

 
 
 
 

Which of the following is a preservative for fruit juices?