krishantayal

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krishantayal

Asked: June 11, 2021In: Class 10 Science

A sample of soil is mixer with water and allowed to settle. The clear supernatant solution turns the pH paper yellowish-orange. Which of the following would change the colour of this pH paper to greenish-blue ?

CBSE 2022-2023. 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.

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krishantayal

Asked: June 11, 2021In: Class 10 Science

One of the constituents of baking powder is sodium hydrogencarbonate, the other constituent is

CBSE 2022-2023. 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

An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change ?

CBSE 2022-2023. 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 one of the following can be used as an acide-base indicator by a visually impared student ?

CBSE 2022-2023. 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

Calcium phosphate is present in tooth enamel. Its nature is

CBSE 2022-2023. 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.

krishantayal

A sample of soil is mixer with water and allowed to settle. The clear supernatant solution turns the pH paper yellowish-orange. Which of the following would change the colour of this pH paper to greenish-blue ?

One of the constituents of baking powder is sodium hydrogencarbonate, the other constituent is

An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change ?

Which one of the following can be used as an acide-base indicator by a visually impared student ?

Calcium phosphate is present in tooth enamel. Its nature is

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