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Home/10 science chapter 1

Discussion Forum Latest Questions

Gurpreet Kaur
Gurpreet Kaur
Asked: November 26, 2019In: Class 10

What does one mean by exothermic and endothermic reactions?

Describe exothermic and endothermic reactions with examples.

10 science10 science chapter 1chemistryclass 10class 10 sciencencert solutions 2020-2021
  • 1 1 Answer
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Answer
Gurpreet Kaur
Gurpreet Kaur
Asked: November 26, 2019In: Class 10

Why is respiration considered an exothermic reaction?

During the respiration we take oxygen and release carbon dioxide and water.

10 science10 science chapter 1chemclass 10ncert solutions 2020-2021
  • 1 1 Answer
  • 472 Views
  • 6 Votes
Answer
Gurpreet Kaur
Gurpreet Kaur
Asked: November 26, 2019In: Class 10

Why are decomposition reactions called the opposite of combination reactions?

Give examples.

10 chemistry10 science10 science chapter 1chemical reactions and equationschemistryclass 10ncert solutions 2020-2021
  • 1 1 Answer
  • 412 Views
  • 8 Votes
Answer
Gurpreet Kaur
Gurpreet Kaur
Asked: November 26, 2019In: Class 10

What do you mean by a precipitation reaction?

Explain by giving examples.

10 science10 science chapter 1chemistry class 10class 10ncert solutions 2020-2021
  • 1 1 Answer
  • 548 Views
  • 9 Votes
Answer
Gurpreet Kaur
Gurpreet Kaur
Asked: November 26, 2019In: Class 10

Why do we apply paint on iron articles?

Give examples from daily life.

10 science chapter 1chemistryclass 10 sciencencert solutions 2020-2021
  • 4 4 Answers
  • 751 Views
  • 6 Votes
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