Class XI

 LPG stands for
  1. Liquefied purified gas
  2. Liquefied patrol gas
  3. Liquefied petroleum gas
  4. Latent petroleum gas
Non-metals are good at
  1. Accepting electrons
  2. Sharing electrons
  3. Donating electrons
  4. Both A and B
H2SO3 is formula of
  1. Sulfatic acid
  2. Ulfuric acid
  3. Sulfourous acid
  4. Sulfite acid
Carbon-12 is chosen as standard atom because
  1. It is found in most organic compounds
  2. It is decomposable in nature
  3. Mass of 12 units has been measured very accurately
  4. Carbon is most common element
Colored gas includes
  1. Ammonia
  2. Chlorine
  3. Hydrogen chloride
  4. Hydrogen
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