Tiwari Academy Discussion

Asked: June 13, 2021In: Class 10 Science

In the double displacement reaction between aqueous potassium iodide and aqueous lead nitrate, a yellow precipitate of lead iodide is formed. While performing the activity if lead nitrate is not available, which of the following can be used in place of lead nitrate ?

CBSE 2021-2022. Class 10 Chemistry Question. Important Questions of Ch:1 Class10th NCERT. Important MCQ of Science Class 10th. NCERT SCIENCE. CBSE Board state and other board. NCERT book extra.

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krishantayal

Asked: June 11, 2021In: Class 10 Science

Which one of the following processes involve chemical reactions ?

CBSE 2021-2022. Class 10 Chemistry Question. Important Questions of Ch:1 Class10th NCERT. Important MCQ of Science Class 10th. NCERT SCIENCE. CBSE Board state and other board. NCERT book extra.

Poll

krishantayal

Asked: June 11, 2021In: Class 10 Science

Which of the following gases can be used for storage of fresh sample of an oil for a long time ?

CBSE 2021-2022. Class 10 Chemistry Question. Important Questions of Ch:1 Class10th NCERT. Important MCQ of Science Class 10th. NCERT SCIENCE. CBSE Board state and other board. NCERT book extra.

Poll

krishantayal

Asked: June 11, 2021In: Class 10 Science

On heating ferrous sulphate crystals, we obtain

CBSE 2021-2022. Class 10 Chemistry Question. Important Questions of Ch:1 Class10th NCERT. Important MCQ of Science Class 10th. NCERT SCIENCE. CBSE Board state and other board. NCERT book extra.

Poll

krishantayal

Asked: June 11, 2021In: Class 10 Science

The shiny finish to the walls is because of

CBSE 2021-2022. Class 10 Chemistry Question. Important Questions of Ch:1 Class10th NCERT. Important MCQ of Science Class 10th. NCERT SCIENCE. CBSE Board state and other board. NCERT book extra.

Poll

krishantayal

Asked: June 11, 2021In: Class 10 Science

What is the number of iron atoms and hydrogen atoms in the balanced equation for the reaction of steam on iron ?

CBSE 2021-2022. Class 10 Chemistry Question. Important Questions of Ch:1 Class10th NCERT. Important MCQ of Science Class 10th. NCERT SCIENCE. CBSE Board state and other board. NCERT book extra.

Poll

krishantayal

Asked: June 11, 2021In: Class 10 Science

Which of the following salts does not contain water of crystallisation ?

CBSE 2021-2022. Class 10 Chemistry Question. Important Questions of Ch:2 Class10th NCERT. Important MCQ of Science Class 10th. NCERT SCIENCE. CBSE Board state and other board. NCERT book extra.

Poll

krishantayal

Asked: June 11, 2021In: Class 10 Science

Which of the following statements is correct about an aqueous solution of an acid and of a base ?

CBSE 2021-2022. Class 10 Chemistry Question. Important Questions of Ch:2 Class10th NCERT. Important MCQ of Science Class 10th. NCERT SCIENCE. CBSE Board state and other board. NCERT book extra.

Poll

krishantayal

Asked: June 11, 2021In: Class 10 Science

Which of the following is used for dissolution of gold ?

CBSE 2021-2022. Class 10 Chemistry Question. Important Questions of Ch:2 Class10th NCERT. Important MCQ of Science Class 10th. NCERT SCIENCE. CBSE Board state and other board. NCERT book extra.

Poll

krishantayal

Asked: June 11, 2021In: Class 10 Science

During the preparation of hydrongen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to

CBSE 2021-2022. Class 10 Chemistry Question. Important Questions of Ch:2 Class10th NCERT. Important MCQ of Science Class 10th. NCERT SCIENCE. CBSE Board state and other board. NCERT book extra.

In the double displacement reaction between aqueous potassium iodide and aqueous lead nitrate, a yellow precipitate of lead iodide is formed. While performing the activity if lead nitrate is not available, which of the following can be used in place of lead nitrate ?

Which one of the following processes involve chemical reactions ?

Which of the following gases can be used for storage of fresh sample of an oil for a long time ?

On heating ferrous sulphate crystals, we obtain

The shiny finish to the walls is because of

What is the number of iron atoms and hydrogen atoms in the balanced equation for the reaction of steam on iron ?

Which of the following salts does not contain water of crystallisation ?

Which of the following statements is correct about an aqueous solution of an acid and of a base ?

Which of the following is used for dissolution of gold ?

During the preparation of hydrongen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to

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