Question Detail

Human bone does not contain

  • calcium
  • carbon
  • oxygen
  • phosphorous
Similar Questions :

1. A catalyst is a substance which

  • increases the activation energy
  • increases the rate of reaction and increases the equilibrium concentration of products
  • changes the equilibrium of a reaction so that the concentration of the product increases
  • hastens the attainment of equilibrium

2. The Chemical Symbol of Sodium is

  • So
  • Sd
  • Na
  • Nu

3. The metal that is used as a catalyst in the hydrogenation of oils is ?

  • Pb
  • Ni
  • Cu
  • Pt

4. The acid generally stored in batteries is

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

5. Identify the wrong statement in the following

  • Atomic radius of the elements increases as one moves down the first group of the periodic table
  • Atomic radius of the elements decreases as one moves across from left to right in the 2nd period of the
  • Amongst isoelectronic species, smaller the positive charge on the cation, smaller is the ionic radius
  • Amongst isoelectronic species, greater the negative charge on the anion, larger is the ionic radius
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