Questions

Metals react with sodium hydroxide to produce ___________.

The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 3rd group and the 4th period?

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 button corresponding to it. If the sentence is free from error, click the "No error" option.

1. He was

2. very kind enough

3. to invite me 

4. No Error.

Which formula correctly describes productivity?

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 a sentence is free from error, select 'No Error'.

Maya was not promoted to(A)/the post of a manager(B)/till for a few months of her resignation.(C)/No error(D)

In the following question, sentence given with blank is to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

I am sorry I am late, I was __________ up in traffic.

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Catch red-handed