Questions

Atomic numbers of four elements are as follows : F(9), P(15), Cl(17), Ar(18). Which of the following two elements would be chemically similar?

Who stated the following law : 'The properties of the elements are the periodic function of their atomic masses'?

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.

The _____ of energy in India are met from both commercial and non commercial sources. The most _____ sources of energy today are coal and natural gas, hydro
electricity and nuclear power. On the other hand, firewood, cow-dung cakes and vegetable waste etc. _____ non commercial forms of energy. While non commercial
forms of energy _____ demand, coal is the _____ source of commercial energy in India.

coal is the _____ source of commercial energy in India. 

Which of the following carries blood away from the heart to different body parts?

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the buttoncorresponding to it. If the sentence is free from error, click the "No error" option.

He flowed into a rage (A)/ at the very (B)/ sight of that man (C)/ No error (D)

Which of the following plants have root nodules?

Which river does not form a delta?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If asentence is free from error, select 'No Error'.

1. The 26th of January was chosen 

2. to commemorate the Purna Swaraj

3. declaration for the complete independence, of 1930.

4. No error