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Question:

An electron possesses a negative charge of:
  1. 16 * 10-19 C
  2. 1.60 * 10-19 C
  3. 26 * 10-19 C
  4. 1.8 * 10-19 C






Q2. The cycling at various scales, of minerals and compounds through the ecosystem is:

  1. Aboitic (Non-living) Components
  2. Biogeochemical Cycles
  3. Carbon & Oxygen Cycles
  4. Nitrogen Cycles
Correct Answer

Q3. Consider the following statement (s) related to the force of friction I. It is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. II. When surfaces in contact move relative to each other, the friction between the two surfaces converts kinetic energy into thermal energy (that is, it onverts work to heat). Which is/are correct statement (s)?

  1. Only I
  2. Only II
  3. Both I & II
  4. Neither I nor II
Correct Answer

Q4. Soap consists of:

  1. Sodium salt with fatty acids.
  2. Potassium salt with fatty acids
  3. Both a & b
  4. Sodium and Potassium salt mixed with chemicals
Correct Answer

Q5. The inventor of the atomic theory is:

  1. Rutherford
  2. Madam Curie
  3. John Dalton
  4. Albert Einstein
Correct Answer

Q6. Who is known as the father of Modern Chemistry?

  1. Kolvey
  2. Wholer
  3. Leviatiae
  4. Pasteur
Correct Answer

Q7. Which of the following is not a member of the vitamin B complex?

  1. Thiamine
  2. Riboflavin
  3. Folic acid
  4. Ascorbic acid
Correct Answer

Q8. Detergent is defined as.....

  1. A liquid surfactant
  2. A liquid soluble
  3. A liquid solvent
  4. A liquid solution
Correct Answer

Q9. Which of the following compound is not used as an alkali?

  1. Sodium hydroxide
  2. Potassium hydroxide
  3. Carbon hydroxide
  4. Nitrogen hydroxide
Correct Answer

Q10. On what does the strength of magnetic field produced by a current carrying solenoid depend?

  1. Number of turns in solenoid
  2. Strength of current
  3. Nature of core material
  4. All of the above
Correct Answer










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