Match the incorrect statement:
(A) All ores are minerals.
(B) Aluminium exist as carbonate ore.
(C) Zinc exists as chloride ore.

a, b, c

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a, b

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a, c

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b, c

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Solution

The correct option is D b, c
All ores are minerals but all minerals are not ores. Aluminium exists as oxide ore and zinc exists as sulphide ore.

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Q. Aluminium chloride exists as dimer,

{A l}_{2} {C l}_{6}

, in solid state as well as in solution or non-polar solvents such as benzene. When dissolved in water, it gives:

Aluminium chloride exists as a dimer ( $A l_{2} C l_{6}$ ) in solid state as well as in solution of non-polar solvents such as $C_{6} H_{6}$ . When dissolved in water it gives:

Q. Aluminium chloride exists as dime ,

A l_{2} C l_{6}

in solid state as well as in solution of non-polar solvents like benzene.When dissolved in water, it gives :

Write the balanced chemical equations for the following reactions.
(A) Calcium hydroxide + Carbon dioxide → Calcium carbonate + water
(B) Zinc + Silver nitrate → Zinc nitrate + Silver
(C) Aluminium + copper chloride → Aluminium chloride + Copper
(D) Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride.

Aluminium chloride exists as a dimer, $A l_{2} C l_{3}$ , in solid state as well as in solution of no-polar solvents such as benzene. When dissolved in water it gives.

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Match the incorrect statement:(A) All ores are minerals.(B) Aluminium exist as carbonate ore.(C) Zinc exists as chloride ore.

The correct option is D b, cAll ores are minerals but all minerals are not ores. Aluminium exists as oxide ore and zinc exists as sulphide ore.

Match the incorrect statement:
(A) All ores are minerals.
(B) Aluminium exist as carbonate ore.
(C) Zinc exists as chloride ore.

The correct option is D b, c
All ores are minerals but all minerals are not ores. Aluminium exists as oxide ore and zinc exists as sulphide ore.