Recent questions and answers in General Knowledge

(a) One of the peculiarities (b) which distinguishes the present age (c) is the multiplication of books. (d) No ERROR
A)-a
B)-b
C)-c
D)-d

Choose a suitable option to fill in the blank: I need a stamp for this letter.__________ one?
A)-Did you have
B)-Do you have
C)-Have you had
D)-Had you had

Which statement is correct for electromeric effect ?
A)-It is a temporary effect.
B)-It is the property of (pi) bond.
C)-It take place in presence of reagent, i.e., electrophile or nucleophile.
D)-All of these.

What class of compounds do the oxygen based compounds of sulphur represent?
A)-Acids
B)-Bases
C)-Neutral oxides
D)-Amphoteric

Which of the following reactions is exothermic?
A)-Photosynthesis
B)-Combustion
C)-Ethanoic acid + sodium carbonate
D)-Ammonium nitrate + water

Which of the following is greater for identical conditions and the same gas?
A)-most probable speed
B)-average speed
C)-root mean square speed
D)-most probable and average speed have the same value

A balloon contains a certain mass of neon gas. The temperature is kept constant, and the same mass of argon gas is added to the balloon. What happens?
A)-The balloon doubles in volume.
B)-The volume of the balloon expands by more than two times.
C)-The volume of the balloon expands by less than two times.
D)- The balloon stays the same size but the pressure increases.