Tag: chemical analysis and investigation

Questions Related to chemical analysis and investigation

Weak organic compounds which changes its colour in accordance with pH are known as :

hydrogen ion scale or the ph scale inorganic analysis chemical analysis and investigation practical work chemistry

  1. desiccators

  2. indicators

  3. olfactory substances

  4. none of the above

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Correct Option: B
Explanation:

Weak organic compounds which changes its colour in accordance with pH are known as indicators.

pH of urine varies from :

hydrogen ion scale or the ph scale inorganic analysis chemical analysis and investigation practical work chemistry

  1. $2$ to $3$

  2. $4$ to $5$

  3. $4.8$ to $7.5$

  4. none of the above

Show answer
Correct Option: C
Explanation:

pH of urine varies from $4.8$ to $7.5$.