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Home/ncert solutions 2020-2021

Tiwari Academy Discussion Latest Questions

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

What happens when dilute hydrochloric acid is added to iron fillings?

Select the correct answers.

10 sciencechemistryclass 10ncert solutions 2020-2021
  • 1 1 Answer
  • 1k Views
  • 8 Votes
Answer
Gurpreet Kaur
Gurpreet Kaur
Asked: November 26, 2019In: Class 10

What is a balanced chemical equation?

Describe and give reactions if required.

10 sciencechemical reactions and equationschemistryclass 10class 10 science chaptar 1ncert solutions 2020-2021
  • 1 1 Answer
  • 439 Views
  • 7 Votes
Answer
Gurpreet Kaur
Gurpreet Kaur
Asked: November 26, 2019In: Class 10

Why should chemical equations be balanced?

Give answer with suitable examples.

10 sciencechemistryclass 10class 10 science chapter 1ncert solutions 2020-2021
  • 1 1 Answer
  • 408 Views
  • 4 Votes
Answer
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
  • 12k Views
  • 7 Votes
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
  • 459 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
  • 400 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
  • 537 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
  • 732 Views
  • 6 Votes
Answer
Gurpreet Kaur
Gurpreet Kaur
Asked: November 26, 2019In: Class 10

Oil and fat containing food items are flushed with nitrogen. Why?

Packets of chips and other eating materials are packed with inert gas? why?

10 science10 science chapter 1chemistry class 10class 10ncert solutions 2020-2021
  • 1 1 Answer
  • 1k Views
  • 6 Votes
Answer
Richa
Poll
Richa
Asked: November 12, 2019In: NCERT Solutions

NCERT Solutions

NCERT Solutions means the solutions of the questions given in the NCERT Books whether intext or exercises. After going through NCERT, everyone must see the solutions or try to find the solutions by own. Solutions are useful if it is ...

ncert solutionsncert solutions 2020ncert solutions 2020-2021ncert solutions 2021
  • 9 9 Answers
  • 3k Views
  • 47 Votes
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