EASY
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An example of acidic salt formed from a tribasic acid is:

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Important Questions on Acids, Bases and Salts

HARD
Science>Chemistry>Acids, Bases and Salts>Acids

State one relevant reason for the following:

  • Hydrated copper sulphate crystals turn white on heating.
MEDIUM
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If excess of CO2 is passed through the suspension of a compound ‘X’ in water, a compound ‘Y’ is formed. Substances ‘X’ and ‘Y’ dissolve in H2SO4 giving white compound ‘Z’ which is insoluble in water. Identify the compounds ‘X’, ‘Y’ and ‘Z’.
HARD
Science>Chemistry>Acids, Bases and Salts>Acids

Differentiate between the following pair based on the information given in the bracket.

  • Acid and Alkali (formation of the type of ions)
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Acids
A light greenish salt is soluble in water. On passing H2S gas into the solution, a black precipitate is obtained which dissolves readily in HCI. The metal ion present is 
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Acids
Aluminium oxide is called amphoteric oxide. Give reason. 
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Acids

Answer the following:

Write the formula of a salt that contains water of crystsllisation.

EASY
Science>Chemistry>Acids, Bases and Salts>Acids
Complex salt is
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Acids
What do you mean by the family of salts?
HARD
Science>Chemistry>Acids, Bases and Salts>Acids

State one relevant observation for the following reactions:

  • Addition of excess ammonium hydroxide into copper sulphate solution.
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Acids
Write the name and formula of one salt which contains ten molecules of water of crystallisation.
EASY
Science>Chemistry>Acids, Bases and Salts>Acids
What is meant by "water of crystallisation" in a substance? Explain with an example
HARD
Science>Chemistry>Acids, Bases and Salts>Acids
What are neutral salts, acidic salts and basic salt. Give two examples each of neutral, acidic and basic salts.
HARD
Science>Chemistry>Acids, Bases and Salts>Acids
The metal salt A is blue in colour. When salt A is heated strongly over a burner, then a substance B is eliminated and a white powder C is left behind. When a few drops of a liquid D are added to powder C, it becomes blue again. What could be A,B,C and D?
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Acids
How would you show that blue copper sulphate crystals contain water of crystallisation?
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Acids
Write the name and formula of one salt which contains five molecules of water of crystallisation.
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Acids
What is meant by 'hydrated' and 'anhydrous' salts? Explain with examples.
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Acids
What is a Salt? Name any two salts.
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Acids
Predict if the solutions of the following salts are neutral, acidic or basic: NaCl,KBr,NaCN,NH4NO3,NaNO2 and KF.
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Acids
What is meant by a family of salts? Explain with examples.
EASY
Science>Chemistry>Acids, Bases and Salts>Acids
Which of the following salt has a blue colour and why?
CuSO4.5H2O or CuSO4