Chemistry OT-1

Dinesh Singh
Quiz by Dinesh Singh, updated more than 1 year ago
Dinesh Singh
Created by Dinesh Singh over 6 years ago
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Description

this online test contains 10 question based on SSC Exam.

Resource summary

Question 1

Question
The chemical used as a ‘fixer’ in photography
Answer
  • Sodium sulphate
  • Sodium thiosulphate
  • Ammonium sulphate
  • Borax

Question 2

Question
Which of the following is the correct sequence of the wavelength of radiation
Answer
  • UV > Green > IR > Hard X-rays
  • IR > Green > UV > Hard X-rays
  • UV > Hard X-rays > IR > Green
  • IR > Hard X-ray > Green > UV

Question 3

Question
Which of the following fertilizer has the maximum % of nitrogen
Answer
  • Ammonium sulphate
  • Urea
  • Calcium cyanamide
  • Calcium ammonium nitrate

Question 4

Question
Which of the following is not contains in Portland cement
Answer
  • Ca3Al2O6
  • Ca3SiO5
  • Ca2Sio4
  • Ca3(PO4)2

Question 5

Question
Which one of the following acid is used for etching glass
Answer
  • H2SO4
  • HNO3
  • HF
  • HCl

Question 6

Question
Nuclear fusion requires very temperatures so as to overcome
Answer
  • Van der waal’s forces
  • Nuclear force
  • Gravitational force
  • Coulomb force

Question 7

Question
What is the colour of oxygen in solid state
Answer
  • Pale yellow
  • Pale blue
  • Light green
  • Greenish yellow

Question 8

Question
In surgery, metal pins are used for joining together broken bones. the metal pins remains uncorroded in the body. What is the material of the pins
Answer
  • Copper
  • Iron
  • Aluminium
  • Titanium

Question 9

Question
H2o is liquid and H2S is a gas because
Answer
  • Oxygen forms stronger hydrogen bond than sulphur
  • Oxygen is less electronegative than sulphur
  • Atomic radius of oxygen is less than that of sulphur
  • Atomic radius of oxygen is greater than that of sulphur

Question 10

Question
In chemical terms, what are the alums used for purifying water for drinking purpose
Answer
  • Hydrated chlorides
  • Double nitrate
  • Double sulphate
  • Nitrates of aluminium
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