chemistry
Question 29
The particles which attract one another to form electrovalent compounds are:
1. Electrons
2. Protons
3. Ions
4. Molecules
[1]
Question 30
Which one of the following statements is NOT correct?
1. Pure water does not allow a current to flow through it.
2. The electrolyte only conducts when in the molten state.
3. Electrodes that react with the electrolytes are said to be “active”.
4. Ions must be present in the electrolyte in order that it conducts electricity.
[1]
Question 31
The salt formed by partial replacement of hydrogen ion of an acid by a basic
radical.
1. Sodium sulphite
2. Magnesium hydroxide
3. Potassium sulphate
4. Zinc hydrogen sulphite
[1]
Question 32
Alkali which dissociates only partially in aqueous solution:
1. Lithium hydroxide
2. Calcium hydroxide
3. Potassium hydroxide
4. Sodium hydroxide
[1]
Question 33
The property that matches with elements of the halogen family are:
1. They are chemically highly reactive
2. They are metallic in nature.
3. They are monoatomic in their molecular form.
4. They have one electron in the valence shell.
Please answer the correct one, only you have to type the options
Answers
Answered by
4
Answer:
Identify the weak electrolyte from the following.
Dilute Hydrochloric Acid
Sodium Chloride Solution
Aqueous Acetic Acid
Dilute Sulphuric Acid
4. Passing of an Electric Current through electolytes results in:
Chemical change
Both
Physical Change
None of these
5. Which of the following is not an electrolyte:
Liquid Ammonia
Phosphoric Acid
Sodium Carbonate
Glucose
Identify the weak electrolyte from the following.
Dilute Hydrochloric Acid
Sodium Chloride Solution
Aqueous Acetic Acid
Dilute Sulphuric Acid
4. Passing of an Electric Current through electolytes results in:
Chemical change
Both
Physical Change
None of these
5. Which of the following is not an electrolyte:
Liquid Ammonia
Phosphoric Acid
Sodium Carbonate
Glucose
Answered by
1
Answer: Electrons
Explanation:
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