Questions

Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia?

Which of the following is a Block Mountain?

Look at the underlined part of each sentence. Below each sentence are given three possible substitutions for the underlined part. If one of them (a), (b) or (c) is better than the underlined part, indicate your response on the Answer Sheet against the corresponding letter. If none of the substitutions imporves the sentence, indicate (d) as your response on the Answer Sheet.

The teacher, along with her three children, were taken to hospital.

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

It is not _____ to ignore all allegations of booth capturing and rigging as murmurs of _____ losers. _____ have come to light of intimidation of whole villages and communities to make them vote for a particular candidate or party. At times election officials have been _____ by unscrupulous politicians into turning a blind eye to _____ practices.

At times election officials have been _____ by unscrupulous politicians

The ___ has abundant white fibres.

Human blood platelets releases ___ which helps in clotting of blood.

Find the acceleration (in m/s2) produced in a body of mass 4 kg when a force of 24 N is applied on it.

What will be the value of the kinetic energy (Ek) of a moving body with mass m, if its speed is doubled from v to 2v?