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Asked: December 16, 2020In: Class 10 Science

What is bleaching powder chemically. How it is prepared. What happens when bleaching powder is exposed to air for long time? Give any two important uses of bleaching powder.

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Long Questions Questions No: 4

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Asked: December 16, 2020In: Class 10 Science

An element p does not react with dil. H ₂SO₄. If forms an oxide PO which turns red litmus into blue. Will you call P as metal or a non-metal? Give reason.

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Long Questions Questions No: 3

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Asked: December 16, 2020In: Class 10 Science

Identify the compound x on the basis of the reaction given below. Also, Write the name and chemical formulae of A, B and C. (1) X+Zn→ A+H₂ (2) X+HCI→ B+H₂O (3) X+CH₃COOH→ C+H₂O

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Long Questions Questions No: 2

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Asked: December 16, 2020In: Class 10 Science

What is water of crystallization? Write the common name and chemical Formula of a commercially important compound which has ten water Molecules. How is this compound obtained? Write chemical equations Also. List any two uses of this compound.

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Long Questions Questions No: 1

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Asked: December 16, 2020In: Class 10 Science

2mL of sodium hydroxide solution is added to a few pieces of granulated zinc metal taken in a test tube. When the contents are warmed, a gas evolves which is bubbled through a soap solution before testing. Write the equation of the chemical reaction involved and the test to detect the gas. Name the gas which will be evolved when the same metal reacts with dilute solution of a strong acid.

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Three Marks Questions Questions No: 24

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What is bleaching powder chemically. How it is prepared. What happens when bleaching powder is exposed to air for long time? Give any two important uses of bleaching powder.

An element p does not react with dil. H ₂SO₄. If forms an oxide PO which turns red litmus into blue. Will you call P as metal or a non-metal? Give reason.

Identify the compound x on the basis of the reaction given below. Also, Write the name and chemical formulae of A, B and C. (1) X+Zn→ A+H₂ (2) X+HCI→ B+H₂O (3) X+CH₃COOH→ C+H₂O

What is water of crystallization? Write the common name and chemical Formula of a commercially important compound which has ten water Molecules. How is this compound obtained? Write chemical equations Also. List any two uses of this compound.

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