1.
Chalk consists of

2.
Elements resting in the same group share same

3.
Carbon, hydrogen and oxygen combine together to make

4.
A substance which consists of two or more elements which have been combined chemically is called

5.
The person who first arranged elements in form of periodic table was

6.
The elements that are named after famous scientists, are

7.
"Cu" is symbol of

8.
Sand is made up of

9.
All elements possess different

10.
On periodic table from left to right, elements change from metal to

Read More Section(Science Mcqs)

Each Section contains maximum 70 questions. To get more questions visit other sections.