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प्रश्न
Give one example : A weak mineral acid.
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उत्तर
H2CO3
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संबंधित प्रश्न
Name the kind of particles present in carbonic acid.
Explain the formation of hydronium ion.
Name the ion that turns red litmus blue.
Name the ions furnished by bases in solution.
Give one example : A base which is not an alkali.
Give one example : An oxide which is a base.
Fill in the blanks.
A base is a compound which if soluble in water contains ______ ions. A base reacts with an acid to form ______ and water only. This type of reaction is known as ______.
Identify the anion present of the following compound:
A salt M on treatment with concentrated sulphuric acid produces a gas which fumes in moist air and gives dense fumes with ammonia.
The following is a list of methods for the preparation of salts.
A – direct combination of two elements
B – reaction of a dilute acid with a metal.
C – reaction of a dilute acid with an insoluble base.
D – titration of a dilute acid with a solution of soluble base.
E – reaction of two solutions of salts to form a precipitate.
Choose from the above list A to E, the best method of preparing the following salt by giving a suitable equation in the following case:
Lead chloride.
A black coloured solid which on reaction with dilute sulphuric acid forms a blue coloured solution is ______.
