Chemistry One Liners : General Knowledge Questions with Answers

Chemistry One Liners GK Questions
1. Which element that does not occur in nature but can be produced artificially? – Plutonium
2. How are Oxygen and ozone? – Allotropes
3. Which type of glass is used for making glass reinforced plastic? – Quartz glass
4. Which is the element that has the highest first ionization potential? – Nitrogen
5. Temporary hardness of water is due to the presence of which thing? – Magnesium bicarbonate
6. Thermal decomposition of alkanes is known as which name? – Cracking
7. Which is the essential element in all organic compounds? – Carbon
8. What does Oxidation involve? – Loss of electrons
9. What is the number of unpaired electrons in carbon atom? – 2
10. Heating pyrites in air to remove sulphur is known as which name? – Roasting
11. Purification of petroleum is carried out by which method? – Fractional distillation
12. Which is purest form of iron? – Wrought iron
13. Which elements is obtained from sea weeds? – Iodine
14. Which substance does not have a melting point? – Glass
15. Which oil is used in the floatation method for the purification of ores? – Pine oil
16. A mixture of camphor and benzoic acid can be easily separated by which method? – Chemical method
17. Which is the second most abundant metal in the earth’s crust? – Iron
18. What is the conversion of Fe++ to Fe+++? – Oxidation
19. What is the name of the scientist who stated that matter can be converted into energy? – Einstein
20. Which colloids are solvent loving colloids? – Lyophilic
21. Which was the scientist who was responsible for the rejection of vital force theory? – Lavoisier
22. Which alloy used in making heating elements for electric heating devices? – Nichrome
23. Which is the best conductor of electricity ? – Silver
24. Which polymer is used for making bulletproof material? – Polyethylene
25. In which Tyndall effect is not observed? – Sugar Solution

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