Class XI

PH value above 7 is
  1. Acidic
  2. Alkaline
  3. Neutral
  4. Basic
Metal that burns even more brightly than Magnesium (Mg) is
  1. Zinc
  2. Mercury
  3. Zirconium
  4. Diamond
NH4Cl(s) + NaOH →
  1. Na2CO3 + H2+NO2
  2. Na2CO3.(H2O)5 + HCl
  3. NaCl + H2O + NH3
  4. NaCl + HNO3
Consider equation PbO + HCl → PbCl2 + H2O. Moles of HCl required to balance equation are
  1. 1
  2. 2
  3. 3
  4. 4
Metal that burns even more brightly than Magnesium (Mg) is
  1. Zinc
  2. Mercury
  3. Zirconium
  4. Diamond
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