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Which one of the following is the softest?

  • sodium
  • iron
  • aluminium
  • lithium

Answer: Option A

Similar Questions :

1. The main chemical constituent of clay is ?

  • aluminium silicate
  • zeolites
  • aluminium borosilicate
  • silicon oxide

Answer: Option A

2. The major component used in preparation of different types of glasses is :

  • Sodium borate
  • Sodium silicate
  • Silica
  • Calcium silicate

Answer: Option C

3. Human bone does not contain

  • calcium
  • carbon
  • oxygen
  • phosphorous

Answer: Option C

Explanation:

Human bone contains calcium, carbon, phosphorous.

4. Sugars are converted in the liver into

  • Glycogen
  • Vitamin
  • Monosaccharide
  • None of above

Answer: Option A

5. The isotope atoms differ in ?

  • number of neutrons
  • atomic number
  • number of electrons
  • atomic weight

Answer: Option A

Explanation:

Important to note that isotope atoms have same atomic number.

Read more from - Chemistry Questions Answers
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  • Jairam 6 years ago

    i interest

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