Which of these could be separated by distillation or filtration a) an atom b) a mixture c) an element d) a compound

Option (B) is the correct answer.

Explanation:

A process where solute or solid particles which are present in a liquid or gas are separated out with the help of a filter medium like filter paper is known as filtration process.

For example, sand can be separated out from water by using a filter paper.

Components of a mixture can never combine chemically with each other.

Whereas, an element is a substance which contains only one type or kind of atoms.

For example, a pure zinc will contain only atoms of zinc.

A compound is defined as the substance in which different elements are chemically combined together in a fixed ratio by mass.

For example, is a compound and elements are present in 1:4 ratio.

A compound can be divided into its constituent or simpler substances.

Thus, we can conclude that a mixture could be separated by distillation or filtration.

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answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.