Chemistry MCQs Online Quiz Test 18

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Chemistry Multiple Choice Questions and Answers MCQs

Q.1: Which one of the following is an inorganic fertilizer ?

  1. manure
  2. urea
  3. ammonium nitrate
  4. All Of Above

C

Q.2: The potassium present in plant help the plant to———-?

  1. form starch sugar and fibrous material
  2. ripen the seeds and fruits
  3. increase the resistance against disease
  4. all the above statements are correct

D

Q.3: What is clinker ?

  1. roasted calcareous material
  2. roasted argillaceous material
  3. roasted calcareous and argillaceous material
  4. roasted gypsum

C

Q.4: Newspaper can be recycled again and again how many times ?

  1. 2
  2. 3
  3. 4
  4. 5

D

Q.5: The main pollutant of leather tanneries in the waste water is———-?

  1. chromium III
  2. chromium IV
  3. chromium V
  4. chromium VI

B

Q.6: Which substance can be used for disinfecting water ?

  1. KMnO4
  2. Alums
  3. Ozone
  4. All Of Above

A

Q.7: Which one of the following makes the bulk of hydrospheres content ?

  1. oceans
  2. glaciers And icecaps
  3. fresh water lakes and ponds
  4. All have equal distribution

A

Q.8: The percentage of suspended solid waste in raw water is removed by coagulation is———?

  1. 60
  2. 70
  3. 80
  4. 90

C

Q.9: The main product of bacterial action is———?

  1. Nox
  2. NO2
  3. N2O3
  4. NO

D

Q.10: Pollutants have adverse effect over———?

  1. Biosphere
  2. Ecosystem
  3. Both a And b
  4. Hydrosphere

B