Chemistry Practice MCQ Page 13

Multiple Choice questions for Chemistry in the sets of 10 each on one page with questions and answers. All sets are useful in the preparation of subject tests for employment or admission.
Question: 1268   Water placed in closed container at constant temperature has equilibrium of the type
  1. chemical
  2. static
  3. dynamic
  4. physical
Question: 1269   In a chemical equation, a double arrow indicates
  1. reversible reaction
  2. complete reaction
  3. incomplete reaction
  4. equilibrium
Question: 1270   As long as temperature remains constant and concentration of water vapours do not change in a closed system it indicates a
  1. dynamic equilibrium
  2. reversible process
  3. reversible equilibrium
  4. static equilibrium
Question: 1271   Some chemical reactions carried out in closed container and at constant temperature, also indicate the examples of
  1. reversible reactions
  2. dynamic equilibrium
  3. reversible equilibrium
  4. static equilibrium
Question: 1272   The reaction which do not proceed to completion and after passage of some time contain both reactants and products, are called
  1. incomplete reaction
  2. complete reaction
  3. reversible reaction
  4. non-reversible reaction
Question: 1273   The reaction mixture which contain both reactants and products and under given conditions their concentration do not change, is called
  1. reactant mixture
  2. equilibrium mixture
  3. product mixture
  4. non-equilibrium mixture
Question: 1274   Under the given set of conditions of temperature, pressure and concentration the point at which a reaction seems to stop is always
  1. same
  2. different
  3. changes
  4. readable
Question: 1275   Under a given set of conditions at which any reaction seems to stop has a quantitative relation with reactant and product
  1. nature
  2. concentration
  3. type
  4. bonding
Question: 1277   The stage at which the reaction appears to stop under given conditions is called
  1. completion stage
  2. initial stage
  3. equilibrium stage
  4. final stage
Question: 1278   The state of chemical equilibrium is that tat which all types of motions
  1. cease
  2. do not cease
  3. are available
  4. not available
Question: 1279   At equilibrium, the rate of disappearing of reactants and the rate of formation of products are
  1. different
  2. very different
  3. equal
  4. almost equal
Question: 1280   The change of concentrations of reactants and products with time is called
  1. rate of equilibrium
  2. rate of reaction
  3. forward rate
  4. backward rate