Welcome to your 2024 2ND TERM EXAM ON CHEM JSS 1
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1. Atom is made up of the except
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2. .......... method of science deals with asking of intelligent questions
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3. Any substance that has mass and volume is known as
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4.The introduction into the environment of a substance that has harmful or poisonous effects is
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5. Which of the following can be compressed?
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6. The scientist that constructed the periodic table was
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7. The horizontal rows in a periodic table is called
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8. The chemical formula of Carbon (ii) oxide is
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9. Oxygen is in group.......... in the periodic table
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10. The combining power of an element is
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11. Heavy rainfalls lead to
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12. Which of the following sources cannot be used for drinking purposes?
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13. The formation of clouds is due to
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15. The water that is fit for drinking is called
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16. Which one is the purest form of water?
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17. What is the most common isotope of hydrogen
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18. The symbol Ar stands for which element?
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19. Which of these elements is a nonmetal?
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20. You can't live without water! What is its chemical formula?
