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General Chemistry Review

Comprehensive chemistry quiz covering basic concepts, chemical bonding, polymers, environmental chemistry, and industrial processes.

13 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Number of atoms in 6 g of water is approximately equal to the number of atoms in ________of H2S.

  1. 3.75 g
  2. 8.5 g
  3. 11.33 g
  4. 17 g
  5. 34 g
Question 2 Multiple Choice (Single Answer)

Which of the following compounds is also known as Philosopher’s wool?

  1. ZnO
  2. ZnS
  3. ZnCO<sub style="font-family:">3
  4. ZnSO<sub style="font-family:">4.7H<sub style="font-family:">2O
  5. ZnFe<sub style="font-family:">2O<sub style="font-family:">4
Question 3 Multiple Choice (Single Answer)

Which of the following has largest number of atoms?

  1. 36.5 g of HCl
  2. 27 g of N2O5
  3. 33 g of CO2
  4. 9 g of H2O
  5. 28 g of N2
Question 4 Multiple Choice (Single Answer)

Which of the following are examples of thermosetting plastics?

  1. PTFE
  2. PMMA
  3. PAN
  4. Duroplast
  5. Bakelite
    Select the correct answer.
  1. 1 and 2
  2. 2 and 3
  3. 3 and 4
  4. 4 and 5
  5. 3, 4 and 5
Question 5 Multiple Choice (Single Answer)

4.48 L of CO2 at NTP corresponds to
a. 0.1 mole of CO2
 b. 8.8 g of CO2
 c. 6.023 x 1023 molecules of CO2
Select the correct answer.

  1. Only a
  2. Only b
  3. Only c
  4. a and b
  5. b and c
Question 6 Multiple Choice (Single Answer)

Identify the wrong statement in the following

  1. Ozone layer does not permit infrared radiation from the sun to reach the earth.
  2. Acid rain is mostly because of oxides of carbon and sulphur.
  3. Chlorofluorocarbons are responsible for ozone layer depletion.
  4. Greenhouse effect is responsible for global warming.
    Select the correct answer.
  1. Only 1
  2. 1 and 2
  3. 1, 2 and 3
  4. 2 and 4
  5. 3 and 4
Question 7 Multiple Choice (Single Answer)

The type of hybridization exhibited by the C atoms in allene, CH2 = C = CH2, include which of the following
I. sp
II. sp2
III. sp3
Select the correct answer.

  1. Only I
  2. Only II
  3. Only III
  4. I and II
  5. II and III
Question 8 Multiple Choice (Single Answer)

Which of the following statements are TRUE?

  1. The protecting power of lyophilic colloidal sol is expressed in terms of gold number.
  2. Rate of physical adsorption increase with decrease in temperature.
  3. In Freundlich Adsorption isotherm, the value of 1/n is 0 in case of physical adsorption and 1 in case of chemisorptions.
  4. In Langmuir's model of adsorption of a gas on a solid surface the mass of gas striking a given area of surface is independent of the pressure of the gas.
    Select the correct answer.
  1. only 1 and 2
  2. 1, 2 and 3
  3. 1 and 4
  4. 2 and 3
  5. 3 and 4
Question 9 Multiple Choice (Single Answer)

Which of the following is an incorrect match?

  1. Jeweller's borax: Na2B4O7.10H2O
  2. Fool's gold: FeS2
  3. Gymnastic’s chalk: MgCO3
  4. Photographer’s hypo: Na2S2O3.5H2O
  5. Baker's ammonia: (NH4)2CO3
Question 10 Multiple Choice (Single Answer)

Which of the following are obtained by Solvay process?
(1) Na2CO3 (2) CaCl2 (3) H2SO4 (4) HNO3
Select the correct answer.

  1. Only 1
  2. 1 and 2
  3. 1 and 3
  4. 1 and 4
  5. 2, 3 and 4
Question 11 Multiple Choice (Single Answer)

Which of the following statements are FALSE?

  1. Solid CO2 is known as dry ice.
  2. Producer gas is CO + H2.
  3. Phosgene is carbonyl chloride.
  4. Lead pencil contains 25% Pb.
    Select the correct answer.
  1. 1 and 2 only
  2. 1 and 3
  3. 2 and 3
  4. 2 and 4
  5. 3 and 4
Question 12 Multiple Choice (Single Answer)

Which of the following minerals do not contain sulphur?

  1. Cinnabar 2. Gypsum
  2. Lithopone 4. Talc
    Select the correct answer.
  1. 1 and 2
  2. 2 and 3
  3. 2, 3 and 4
  4. 2 and 4
  5. Only 4
Question 13 Multiple Choice (Single Answer)

Which of the following have two unpaired electrons in antibonding molecular orbitals?

  1. NO
  2. C<sub style="font-family:">2<sup style="font-family:">
  3. O<sub style="font-family:">2
  4. N<sub style="font-family:">2
  5. F<sub style="font-family:">2
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