Kerala PSC - Important and Expected General Science Questions - 52

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1. The atoms of different elements which have the same number of neutrons but different atomic number are called

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2. Who was the exponent of the Triads law of the classification of elements?

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3. Who put forward the law of octaves?

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4. The physical & chemical properties of elements are the periodic function of their atomic masses' - This statement is associated with the periodic table of ___

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5. Who modified Mendeleev's periodic law & proposed modern periodic law?

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6. Which is the only block in Periodic Table which contains metals, non-metals & metalloids?

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7. The elements of the d-Block are called ___

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8. Which isotope of Hydrogen is called 'Heavy Hydorgen'?

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9. The reactions which involve oxidation & reduction as its two half-reactions, are called ___

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10. What is the chemical name of rust?

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11. Which chemical compound is used as catalyst in the Contact process for the production of sulphuric acid?

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12. Which chemical compund is produced through Ostwald process?

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13. Deacon process is used for the production of ___

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14. What are the examples of organic acids?

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15. What are the examples of Lewis acids?

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16. Which acid is present in spinach?

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17. What is the pH value of human blood?

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18. What is the maximum duration of totality for a solar eclipse

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19. Which device is used to examine the air flow through the nasal passage?

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20. Winkler's test is used for the determination of ___

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More General Science Questions

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