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प्रश्न
Classify the following solutions as acids, bases or salts.
Ammonium hydroxide, barium chloride, sodium chloride, sodium hydroxide, H2SO4 and HNO3
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उत्तर
Acids: H2SO4 and HNO3
Bases: Ammonium hydroxide and sodium hydroxide.
Salts: Barium chloride and sodium chloride.
संबंधित प्रश्न
A solution turns red litmus blue, its pH is likely to be ______.
Three solutions P, Q and R have pH value of 3.5, 5.2 and 12.2 respectively. Which one of these is a:
1) Weak acid?
2) Strong alkali?
Name one animal and one plant whose stings contain formic acid (or methanoic acid).
One of the following does not inject an acidic liquid into the skin through its sting. This is:
(a) honey bee
(b) ant
(c) wasp
(d) nettle leaf hair
What is the difference between an alkali and a metal hydroxide?
Write balanced equation to satisfy the following statement:
\[\ce{Acid + Base -> Salt + water}\]
Heshna and Keerthi are friends. Keerthi’s teeth are white without caries, but Heshna has teeth with caries. Why? How is it formed?
Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are ______.
Complete the following equation.
Mg+ ______ → ______ + H2.
Bring the soil sample of your area, find out if it is acidic, basic or neutral. Discuss with farmers if they treat the soil in any manner.
