6. Iron nail that sinks in water will float in heavier liquids like

  • (A) Alcohol
  • (B) Mercury
  • (C) Kerosene
  • (D) Oil

Answer:

Explanation:


7. The density of sea water is ______ than that of fresh water.

  • (A) Greater
  • (B) Less
  • (C) 5 times greater
  • (D) 5 times less

Answer:

Explanation:


8. Which one of these is a fiber?

  • (A) Cotton
  • (B) Jute
  • (C) Linen
  • (D) All of these

Answer:

Explanation:


9. Which of these is not grown from seeds?

  • (A) Mango
  • (B) Brinjal
  • (C) Rose
  • (D) Guava

Answer:

Explanation:


10. Which one of the following is a non renewable resource?

  • (A) Fossil fuels
  • (B) Water
  • (C) Forests
  • (D) Soils

Answer:

Explanation:


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