Questions

NH3 oxidation number?

Read the passage carefully and choose the best answer to each question out of the four alternatives.

The instructor's rules were simple. Breathe through your mouth, not your nose; else the mask will fog up. Easier said than done; I got it wrong many a time. But once you fought habit and got the hang of it, the panoramic underwater world revealed itself to you with high-definition clarity.

Led by him, I slowly peered through the mask into what till then was crystal-clear water, shimmering in the sunlight. I saw pebbles, sand and my fluid shadow. I was in Nemo's universe. Sea cucumbers, sea anemone, clown fish, star fish, sea horses, parrot fish, butterfly fish and a bevy of colourful salt water fish swam past. A shoal of canary-yellow fish did a merry dance and another with vibrant blue fish followed it. They were oblivious to the snorkelers who struggled to take in the sight of a world so beautiful, so colourful, and resist opening their mouth wide in amazement; the tube would fall off!

When would there be a risk of the tube falling off?

Rearrange the parts of the sentence in correct order.

It is a good sign

P-­that the ratio remains the same despite

Q-­the revenue base coming down because

R-­of increased devolution to States

Improve the bracketed part of the sentence.

His decision (will be fair) to everyone as he is the most disinterested party in this controversy.

The absolute value of charge on electron was determined by

Improve the bracketed part of the sentence.

The tribunal noted that the driver of the (offend) truck did not lead any evidence in rebuttal of the claims.

Improve the bracketed part of the sentence.

We (has finished) our lunch half an hour ago.

Which blood type contains the a antigen only?