Questions

Valency of an element depends on which of the following?

I. Number of losing electron

II. Number of gaining electron

III. Number of sharing electron

Improve the bracketed part of the sentence.

My mother opened the parcel without (worrying) to read the address on it.

Correct answer for the given blank out of the four alternatives.

The main failings were of conception and a political willingness to settle _________ easy options. _______________ the expansive declarationsof the need "to maintain effective security of all nuclear materials, _______________ includes nuclear materials used in nuclear weapons”, thesummits narrowed their _______________ to civilian holdings __________________ non­nuclear weapon states.

civilian holdings __________________ non ­nuclear weapon states.

In a combination reaction there can be ______.

I. two or more than two reactants

II. two or more than two products

III. only one product

Hardware devices that are not part of the main computer system and are often added later to the system are ________

The process of preparing a floppy diskette for use is called ________

Choose the word which is nearly opposite in meaning to the given word:-

Acrimonious

Who started the Saka Era which is still used by the Government of India ?