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Asked: October 18, 2020In: Class 10

Explain the following terms with one example each.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Exercises Questions Page No-16 Questions No-20 (a) Corrosion (b) Rancidity

Aadarsh kumar

Asked: October 18, 2020In: Class 10

You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. If you are given only red litmus paper, how will you identify the contents of each test tube?

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Intext Questions Page No-2 Questions No-1

Aadarsh kumar

Asked: October 18, 2020In: Class 10

Why should curd and sour substances not be kept in brass and copper vessels?

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Intext Questions Page No-6 Questions No-1

Aadarsh kumar

Asked: October 18, 2020In: Class 10

Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Intext Questions Page No-6 Questions No-2

Bhakti

Asked: October 18, 2020In: Class 10

Metal compound A reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle. Write a balanced chemical equation for the reaction if one of the compounds formed is calcium chloride.

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Intext Questions Page No-6 Questions No-3

Explain the following terms with one example each.

You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. If you are given only red litmus paper, how will you identify the contents of each test tube?

Why should curd and sour substances not be kept in brass and copper vessels?

Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?

Metal compound A reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle. Write a balanced chemical equation for the reaction if one of the compounds formed is calcium chloride.

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