- Chemicals in a lab are arranged on shelves with appropriate labelling- -8232- Unfortunately a lab assistant forgot to label the bottles and filled them with -8232- acids and bases- How can he identify the chemicals without smelling- tasting -8232- or using any other substances from the lab-

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Standard VII

Chemistry

Indicators

. Chemicals i...

Question

. Chemicals in a lab are arranged on shelves with appropriate labelling.   Unfortunately a lab assistant forgot to label the bottles and filled them with   acids and bases. How can he identify the chemicals without smelling, tasting   or using any other substances from the lab?

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Solution

Acid and bases can be distinguished by number of ways like pH paper, litmus test or by natural indicators (turmeric powder, china rose ). These indicators show different colours with acid and bases. You can easily distinguish acid and base.

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. Chemicals in a lab are arranged on shelves with appropriate labelling. Unfortunately a lab assistant forgot to label the bottles and filled them with acids and bases. How can he identify the chemicals without smelling, tasting or using any other substances from the lab?

Acid and bases can be distinguished by number of ways like pH paper, litmus test or by natural indicators (turmeric powder, china rose ). These indicators show different colours with acid and bases. You can easily distinguish acid and base.

. Chemicals in a lab are arranged on shelves with appropriate labelling.   Unfortunately a lab assistant forgot to label the bottles and filled them with   acids and bases. How can he identify the chemicals without smelling, tasting   or using any other substances from the lab?