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Asked: December 14, 2020In: Class 10 Science

Name the brown coloured gas evolved when lead nitrate crystal are heated in dry test-tube.

NCERT Solutions for Class 1 Science Chapter 1 Important Board Questions Chemical Reactions and Equations NCERT Books for Session 2022-2023 CBSE Board and UP Board Questions No- 8

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Asked: December 14, 2020In: Class 10 Science

Name the reducing agent in given below chemical reaction: 3 MnO₂ + 4Al → 3 Mn+2Al₂O₂

NCERT Solutions for Class 1 Science Chapter 1 Important Board Questions Chemical Reactions and Equations NCERT Books for Session 2022-2023 CBSE Board and UP Board Questions No- 7

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Asked: December 14, 2020In: Class 10 Science

Give an example of double displacement reaction?

NCERT Solutions for Class 1 Science Chapter 1 Important Board Questions Chemical Reactions and Equations NCERT Books for Session 2022-2023 CBSE Board and UP Board Questions No- 6

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Asked: December 14, 2020In: Class 10 Science

When an iron nail is placed in copper sulphate solution the observation are as follow –

NCERT Solutions for Class 1 Science Chapter 1 Important Board Questions Chemical Reactions and Equations NCERT Books for Session 2022-2023 CBSE Board and UP Board Practice Based MCQ’s Questions No: 4

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Asked: December 14, 2020In: Class 10 Science

A student took solid quick lime in a china dish and added a small amount of water to it. He would hear

NCERT Solutions for Class 1 Science Chapter 1 Important Board Questions Chemical Reactions and Equations NCERT Books for Session 2022-2023 CBSE Board and UP Board Practice Based MCQ’s Questions No- 3

Name the brown coloured gas evolved when lead nitrate crystal are heated in dry test-tube.

Name the reducing agent in given below chemical reaction: 3 MnO₂ + 4Al → 3 Mn+2Al₂O₂

Give an example of double displacement reaction?

When an iron nail is placed in copper sulphate solution the observation are as follow –

A student took solid quick lime in a china dish and added a small amount of water to it. He would hear

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