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प्रश्न
The label on the bottle of chemical is spoiled. How will you find whether the chemical is acidic or not?
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उत्तर
The chemical is acidic or not checked in two ways:
- By use of litmus paper:
- If the given solution is acidic, it turns blue litmus to red litmus.
- If the given solution is basic, it turns red litmus to blue litmus.
- If the given solution is neutral, there is no effect on litmus paper.
- By use of indicators:
- If the given solution is acidic, it turns methyl orange to red.
- If the given solution is basic, it turns methyl orange to yellow.
- If the given solution is neutral, there is no effect on methyl orange indicator.
संबंधित प्रश्न
You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. If you are given only red litmus paper, how will you identify the contents of each test tube?
Write a balanced chemical equation for the reaction of sodium hydroxide solution with iron (III) chloride solution
Write balanced equation to satisfy the following statement:
\[\ce{Acid + Base -> Salt + water}\]
Table salt is acidic.
Define an acid.
Give the name and formula of two : Strong monobasic acids
Carbonic acid gives an acid salt but hydrochloric acid does not. Explain.
HCl, HNO3, C2H5OH, C6H12O6 all contain H atoms but only HCl and HNO3 show acidic character. Why?
Name the positive ion formed When an acid is dissolved in water.
What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(i) Temperature of the solution decreases.
(ii) Temperature of the solution increases.
(iii) Temperature of the solution remains the same.
(iv) Salt formation takes place.
