. \(H_2SO_4+2NaOH\rightarrow Na_2SO_4+2H_2O\) Above equation is a (i)  neutralization reaction (ii) double displacement reaction (iii)  Decomposition reaction (iv) addition reaction
  • (i) to (iv) all
  • (i) and (iii)
  • (i) and (ii)
  • (ii) and (iv)
Oxidation is a process which involves-
  • addition of oxygen
  • All are correct
  • removal of hydrogen
  • loss of electrons
Which of the following is an example of oxidation reaction?
  • \(Sn^{+2}-2e^-\rightarrow Sn^{+4}\)
  • \(Cl_2+2e^-\rightarrow 2Cl\)
  • None of these
  • \(Fe^{+3}+e^-\rightarrow Fe^{+2}\)
The reaction in which two compounds exchange their ions to form two new compounds is-
  • a double displacement reaction
  • a displacement reaction
  • a decomposition reaction
  • an addition reaction
Which of the following statements is/are false for oxidation reaction?
  • None of these
  • Removal or loss of electropositive radical or element
  • Gain or addition of electronegative radical
  • Removal of hydrogen atom
\(Zn+H_2SO_4\left( dil \right) \rightarrow ZnSO_4+H_2\uparrow \) Above equation is a
  • Combination reaction
  • Decomposition
  • Synthesis reaction
  • Single displacement reaction
When the gases Sulphur dioxide and hydrogen Sulphide react, the reaction is \(SO_2+2H_2S\rightarrow 2H_2O+3S\) Here hydrogen sulphide is acting as-
  • a reducing agent
  • a dehydrating agent
  • a catalyst
  • an oxidizing agent
In the reaction \(Mg+Cl_2\rightarrow MgCl_2\) Chlorine may be regarded as –
  • an oxidizing agent
  • a reducing agent
  • providing an inert medium
  • a catalyst
Which of the following reactions is/are a double displacement reaction(s)? (i) \(AgNO_3+NaBr\rightarrow NaNO_3+AgBr\) (ii) \(BaCl_2+H_2SO_4\rightarrow BaSO_4+2HCl\) (iii) \(As_4O_4+3H_2S\rightarrow As_2S_3+3H_2O\) (iv) \(NaOH+HCl\rightarrow NaCl+H_2O\)
  • only(iii)
  • only (iv)
  • (i) to (iv) all
  • (i) and (ii)
\(AgNO_3\left( aq \right) +NaCl\left( aq \right) \rightarrow AgCl\left( s \right) +NaNO_3\left( aq \right)\) Above reaction is a –
  • double displacement reaction
  • both Precipitation reaction and double displacement reaction
  • Precipitation reaction
  • Combination reaction
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