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Brass is an alloy of ?

  • Copper and Tin
  • Copper and Zinc
  • Copper and Aluminium
  • Iron and Copper

Answer: Option B

Similar Questions :

1. Washing soda is ?

  • sodium sulphite
  • sodium bicarbonate
  • sodiun carbonate
  • sodium biosulphite

Answer: Option C

2. Petroleum is found in ?

  • Marshy land
  • Metamorphic rocks
  • Igneous rock
  • Sedimentary rocks

Answer: Option D

3. Human bone does not contain

  • calcium
  • carbon
  • oxygen
  • phosphorous

Answer: Option C

Explanation:

Human bone contains calcium, carbon, phosphorous.

4. Oxides of metals are alkaline.

  • TRUE
  • FALSE

Answer: Option A

5. The acid generally stored in batteries is

  • Nitric Acid
  • Hydrochloric Acid
  • Sulphuric Acid
  • Acetic Acid

Answer: Option C

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