AFCAT GENERAL AWARENESS (BASIC SCIENCE/CHEM) QUIZ-15

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Question 1:

As you move from left to right on the periodic table, what generally happens to the metallic character of elements?

Question 2:

Which of the following has the highest ionization enthalpy ?

Question 3:

Which of the following are isodiaphers ?

Question 4:

Which of the following are examples of exothermic reactions?

Question 5:

Which law states that “For a solution of volatile liquids, the partial vapour pressure of each component of the solution is directly proportional to its mole fraction present in solution”.

Question 6:

For a spontaneous process

  1. Value of is positive
  2. Value of  is  negative
  3. Value of  is zero
  4. Value of standard electrode potential of cell is positive

Question 7:

If hydration enthalpy is greater than lattice enthalpy then

Question 8:

The reaction between which of the following two reactants will produce hydrogen gas?

Question 9:

Two reactants in a flask at room temperature are producing bubbles of a gas that turn limewater milky. The reactants could be-

Question 10:

A student obtains a white precipitate on mixing two different salt solutions A and B in a beaker. A solution is acidified with hydrochloric acid is used as a reagent to test for sulphate ions. B salt is also known as sulphate of soda. The white precipitate is