ncert solutions 2020-2021 – Tiwari Academy Discussion

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Gurpreet Kaur

Asked: November 26, 2019In: Class 10

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

Select the correct answers.

Gurpreet Kaur

Asked: November 26, 2019In: Class 10

What is a balanced chemical equation?

Describe and give reactions if required.

Gurpreet Kaur

Asked: November 26, 2019In: Class 10

Why should chemical equations be balanced?

Give answer with suitable examples.

Gurpreet Kaur

Asked: November 26, 2019In: Class 10

What does one mean by exothermic and endothermic reactions?

Describe exothermic and endothermic reactions with examples.

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.

Gurpreet Kaur

Asked: November 26, 2019In: Class 10

Why are decomposition reactions called the opposite of combination reactions?

Give examples.

Gurpreet Kaur

Asked: November 26, 2019In: Class 10

What do you mean by a precipitation reaction?

Explain by giving examples.

Gurpreet Kaur

Asked: November 26, 2019In: Class 10

Why do we apply paint on iron articles?

Give examples from daily life.

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?

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 ...