Chemistry
Grade-10
Easy
Question
Which of the following picture does not depict the use of sodium hydroxide?
Hint:
Bleaching powder is used in water purification.
The correct answer is:
- Sodium hydroxide is not used for water cleaning rather bleaching powder is used.
- Sodium hydroxide is used for preparing chemicals.
- Sodium hydroxide is used in soap preparation.
- Sodium hydroxide plays huge role in textile industries.
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Chemistry
Multiple True-False Type Questions
State whether the following statements are true or false.
I. Bleaching powder is extensively used in the petroleum refining.
II. Sodium hydroxide on being exposed to air reacts with the CO2 present in the air to form sodium carbonate.
III. Sodium hydroxide can be used in the purification of bauxite (an aluminium ore) during the extraction process.
IV. Bleaching powder is acts as both oxidising as well as reducing agent due to presence of oxygen.
Multiple True-False Type Questions
State whether the following statements are true or false.
I. Bleaching powder is extensively used in the petroleum refining.
II. Sodium hydroxide on being exposed to air reacts with the CO2 present in the air to form sodium carbonate.
III. Sodium hydroxide can be used in the purification of bauxite (an aluminium ore) during the extraction process.
IV. Bleaching powder is acts as both oxidising as well as reducing agent due to presence of oxygen.
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Study the given figure carefully, which represents the decomposition of aqueous sodium chloride solution by passing electricity.
Identify the X, Y, P, Q and R in the below figure.
Study the given figure carefully, which represents the decomposition of aqueous sodium chloride solution by passing electricity.
Identify the X, Y, P, Q and R in the below figure.
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Gas P formed after the reaction between acid and compound A, when directed towards a burning candle extinguishes it. A is
Gas P formed after the reaction between acid and compound A, when directed towards a burning candle extinguishes it. A is
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Which of the following products are obtained when caustic soda reacts with manganese sulphate (MnSO4)?
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Which of the following is correctly matched?
Which of the following is correctly matched?
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Metal reacts with the oxygen in the air to give their respective metal ______?
Rusting is outcome of forming metal oxide layer over metal.
Metal reacts with the oxygen in the air to give their respective metal ______?
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Rusting is outcome of forming metal oxide layer over metal.
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Which among the following pairs of acid and base are weak, respectively?
Which among the following pairs of acid and base are weak, respectively?
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Which of the following substances loses its activity when it stands for long time
Which of the following substances loses its activity when it stands for long time
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In the Lime – Caustic Soda” process, the reactants are:
In the Lime – Caustic Soda” process, the reactants are:
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Calcicum hypochlorite is soluble in water, but clear solution never obtained due to presence of:
Calcicum hypochlorite is soluble in water, but clear solution never obtained due to presence of:
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When bases react acids it gives the products of salt and water.
When bases react acids it gives the products of salt and water.
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Below equation is the example of:
Below equation is the example of:
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In the Bachmann plant, the vertical tower which is made of cast iron is called as:
In the Bachmann plant, the vertical tower which is made of cast iron is called as:
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Write the below reaction in the form of equation. Sodium hydroxide reacts with Zn metal gives sodium Zincate and Hydrogen gas.
Write the below reaction in the form of equation. Sodium hydroxide reacts with Zn metal gives sodium Zincate and Hydrogen gas.
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Read the given following paragraph and fill in the blanks by choosing an appropriate option.
Calcium hypochlorite is a ___A___ powder. When it is exposed to air, it slowly decomposes to give ___B___and calcium chloride. It is ___C___ in cold water and the milkiness of the solution is due to presence of unreacted ___D___. It reacts with HCI and H2SO4 liberating ___E___ gas.
Identify the solution present in test tube A, B and C respectively?
Read the given following paragraph and fill in the blanks by choosing an appropriate option.
Calcium hypochlorite is a ___A___ powder. When it is exposed to air, it slowly decomposes to give ___B___and calcium chloride. It is ___C___ in cold water and the milkiness of the solution is due to presence of unreacted ___D___. It reacts with HCI and H2SO4 liberating ___E___ gas.
Identify the solution present in test tube A, B and C respectively?
ChemistryGrade-10
