Sucrose (sugar) crystals obtained from sugarcane and beetroot are mixed together. Will it be a pure substance or a mixture? Give reasons for the same.

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(A) It is a pure substance.
Even though the sucrose crystals are obtained from different sources (sugarcane and beetroot),their chemical composition is identical.
$A$ pure substance consists of particles of only one type of substance.
Since the chemical formula for sucrose is $C_{12}H_{22}O_{11}$ regardless of its origin,the mixture of these crystals remains a pure substance.

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