Chemistry
Name the following:
- A basic solution which does not contain a metallic element.
- A normal salt of sodium formed from acetic acid.
- A base which reacts with an acid to give a salt which on hydrolysis gives a slightly acidic solution.
- An ion which combines with a polar covalent molecule to form an ammonium ion.
- A soluble salt formed by direct combination between a light metal & a greenish yellow gas.
Acids Bases Salts
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Answer
- Ammonium Hydroxide (NH4OH) is a basic solution which does not contain a metallic element.
- Sodium acetate (CH3COONa) is a normal salt of sodium formed from acetic acid.
- Ammonium hydroxide (NH4OH) is a base which reacts with an acid to give a salt which on hydrolysis gives a slightly acidic solution.
- Hydrogen ion (H+) is an ion which combines with a polar covalent molecule to form an ammonium ion.
- Aluminium chloride (AlCl3) is a soluble salt formed by direct combination between a light metal & a greenish yellow gas where, light metal is Al and greenish yellow gas is Cl.
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Related Questions
Give balanced equations for the preparation of the following salts:
- Calcium oxide ⟶ Calcium chloride ⟶ Calcium carbonate
- Zinc sulphide ⟵ Zn ⟶ Zinc sulphate
- Iron [II] chloride ⟵ Fe ⟶ Iron [III] chloride
- Lead [II] oxide ⟶ Lead nitrate ⟶ Lead sulphate
- Copper [II] oxide ⟶ Copper [II] sulphate ⟵ Copper [II] hydroxide
State which of the following methods is generally used for preparing the salts 1 to 5 given below:
A: Neutralisation — insoluble base and dil. acid
B: Neutralisation — alkali and dil. acid
C: Simple displacement — active metal and dil. acid
D: Direct combination
E: Precipitation [double decomposition]
- PbCO3
- Zn(NO3)2
- NaCl
- Cu(NO3)2
- FeS
Identify which of the following terms matches with the appropriate descriptions 1 to 5.
A: Hydracid
B: Monobasic acid
C: Less volatile acid
D: Weak acid
E: Tribasic acid
F: Dibasic acid
G: More volatile acid
- An acid having basicity 1 and having only one replaceable hydrogen ion per molecule of the acid.
- An acid which dissociates to give a low concentration of H+ ions.
- An acid containing hydrogen and a non-metallic element other than oxygen.
- The type of acid which generally displaces another acid when the acid is heated with a salt.
- The type of acid which reacts with a base to give an acid salt and a normal salt.
The diagram represents the preparation of sodium sulphate salt from dil. H2SO4 acid and sodium hydroxide.
![The diagram represents the preparation of sodium sulphate salt from dil. H2SO4 acid and sodium hydroxide. Name the apparatus A. Name the substance X placed in A and the substance Y placed in B. State the reason for conducting the titration using the apparatus A and B. State which solution is transferred to the evaporating dish and evaporated to point of crystallization for obtaining the salt. State why titration is not conducted for the preparation of copper [II] sulphate crystals by neutralization. Acids, Bases and Salts, Simplified Chemistry Dalal Solutions ICSE Class 10](https://cdn1.knowledgeboat.com/img/scd10/sodium-sulphate-preparation-simplified-chemistry-icse-class-10-252x178.png)
- Name the apparatus 'A'.
- Name the substance 'X' placed in 'A' and the substance 'Y' placed in B.
- State the reason for conducting the titration using the apparatus 'A' and 'B'.
- State which solution is transferred to the evaporating dish and evaporated to point of crystallization for obtaining the salt.
- State why titration is not conducted for the preparation of copper [II] sulphate crystals by neutralization.