7th grade questions (NCERT Science question lesson acids , based and salts )
Acids taste sour . However they must not be tasted in order to be identified. give reason for (1 mark only)
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All acids are not safe test with mouth it can very dangerous or poisonous so instead of it we use litmus paper, methyl orange etc indicators.
pratyush4211:
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Acid must not be tasted in order to be identified as they should be tested with litmus paper. If taste each every acid or base that is not possible.
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