Welcome to your FIRST TERM EXAMINATION ON CHEMISTRY FOR JSS1 NEW
1. Atom is made up of the except
2. .......... method of science deals with asking of intelligent questions
3. Any substance that has mass and volume is known as
4.The introduction into the environment of a substance that has harmful or poisonous effects is
5. Which of the following can be compressed?
6. .......... branch of chemistry deals with the study of natural products from plants and animals
7. What is the mass number of an element with 12 protons and 12 neutrons
8. The change of gas to solid is called
9. Scientifically acceptable general principle formulated to explain a phenomenon based on experimental evidence is called
10. The number of atoms in one mole of an element is
11. The S.I unit of mass is
12. The atomic number of Neon is
13. The origin of chemistry can be traced to the study of
14. The father of chemistry is
15. ............... has helped to increase food production
16. One of the following is not the reason for studying chemistry
17. Which of the following element is a metal
18. The symbol of sodium is
19. Evaporation occurs at any temperature while boiling occurs at
20. Atom was dis covered by
