Tiwari Academy Discussion

Bhavik

Asked: October 18, 2020In: Class 10

What will happen if a solution of sodium hydrocarbonate is heated? Give the equation of the reaction involved.

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Intext Questions Page No-17 Questions No-4

Aadarsh kumar

Asked: October 18, 2020In: Class 10

A shiny brown coloured element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black coloured compound formed.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Exercises Questions Page No-16 Questions No-17

Aadarsh kumar

Asked: October 18, 2020In: Class 10

Explain the following in terms of gain or loss of oxygen with two examples each.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Exercises Questions Page No-16 Questions No-16 (a) Oxidation (b) Reduction

Aadarsh kumar

Asked: October 18, 2020In: Class 10

What do you mean by a precipitation reaction? Explain by giving examples.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Exercises Questions Page No-16 Questions No-15

Aadarsh kumar

Asked: October 18, 2020In: Class 10

In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal. Write down the reaction involved.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Exercises Questions Page No-16 Questions No-14

Aahaana

Asked: October 18, 2020In: CBSE Syllabus

What is the difference between displacement and double displacement reactions? Write equations for these reactions.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Exercises Questions Page No-16 Questions No-13

Aahaana

Asked: October 18, 2020In: Class 10

Write one equation each for decomposition reactions where energy is supplied in the form of heat, light or electricity.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Exercises Questions Page No-16 Questions No-12

Aahaana

Asked: October 18, 2020In: Class 10

Why are decomposition reactions called the opposite of combination reactions? Write equations for these reactions.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Exercises Questions Page No-15 Questions No-11

Aahaana

Asked: October 18, 2020In: Class 10

Why is respiration considered an exothermic reaction? Explain.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Exercises Questions Page No-15 Questions No-10

Aahaana

Asked: October 18, 2020In: Class 10

What does one mean by exothermic and endothermic reactions? Give examples.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Exercises Questions Page No-15 Questions No-9

What will happen if a solution of sodium hydrocarbonate is heated? Give the equation of the reaction involved.

A shiny brown coloured element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black coloured compound formed.

Explain the following in terms of gain or loss of oxygen with two examples each.

What do you mean by a precipitation reaction? Explain by giving examples.

In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal. Write down the reaction involved.

What is the difference between displacement and double displacement reactions? Write equations for these reactions.

Write one equation each for decomposition reactions where energy is supplied in the form of heat, light or electricity.

Why are decomposition reactions called the opposite of combination reactions? Write equations for these reactions.

Why is respiration considered an exothermic reaction? Explain.

What does one mean by exothermic and endothermic reactions? Give examples.

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