11 Jul 2020

Science Quiz No. 01

12:50 Posted by HSSC Jobs

Which of the following gases is used to inflate balloons?

Carbon dioxide
Helium
Oxygen

How many blocks are there in the modern periodic table?

4
6
7

In which group of elements in modern periodic table are the noble gases placed?

2nd
4th
18th

As you move left along the periodic table, the atomic number of the elements tends to ________ .

Remain the same
Increase
Decrease

The elements in the periodic table are organized by ________ .

Atomic number
Atomic mass
Atomic weight

Which of the following acid is formed as a result of protein decomposition in the human body?

Amino acid
Carbonic acid
Phosphoric acid

Which of the following acid is known as a strong acid?

Citric acid
Nitric acid
Oxalic acid

_______ causes climate change and global warming.

Oxygen
Nitrogen
Carbon dioxide

Which period in the periodic table has both 's' and 'p' block elements?

Only third period
Second and third period
Only first period

A(H1N1) virus causes ____________.

Influenza
Dysentery
Typhoid

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