General Knowledge: Chemistry Questions Answer GK Quiz

Chemistry Question Answer 2024, Chemistry Quiz Questions 2024

Q. You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution respectively. Which of them will turn red litmus to blue?
1) Acid
2) Base
3) Distilled water
4) None of the above

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Q. Which acid is described as HOOC COOH?
1) Oxalic acid
2) Acetic acid
3) Carbonic acid
4) None of the above

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Q. Acids react with metal carbon­ates to liberate ____________ gas.
1) CO2
2) CO
3) H2
4) None of the above

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Q. Some metal oxides react with acid as well as a base to produce salt and water. They are known as amphoteric oxides. Examples of amphoteric oxides are -
1) Al2O3 and ZnO
2) Al2O3 and CuO
3) CuO and ZnO
4) None of the above

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Q. A form of matter has no fixed shape but it has a fixed volume. An example of this form of matter is -
1) krypton
2) kerosene
3) carbon steel
4) None of the above

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Q. Nitrogen in the air -
1) Is essential for the body
2) Dilutes oxygen which is very active in pure form
3) Makes oxygen soluble in the blood
4) Decreases the density of air

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Q. Which one of the following statements is not correct?
1) Most carbon compounds are good conductors of electricity
2) Bonding in organic compounds is covalent
3) Graphite is used as a lubricant
4) Diamond is an allotrope of carbon

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Q. Which one of the following statements about fertilizers is not correct?
1) Urea is a phosphorous-containing fertilizer
2) Application of fertilizer to the soil increases the fertility of the soil
3) Urea can be prepared by the action of ammonia and carbon dioxide under high pressure and at high temperature
4) Urea contains more nitrogen than other fertilizers

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Q. Which one of the following is not a pigment?
1) Zinc oxide
2) Chalk
3) White lead
4) Silica

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Q. Which one of the following is the colour of hydrogen gas?
1) Light yellow
2) Orange
3) Black
4) Colourless

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