Tiwari Academy Discussion

Ankur Bansal

Asked: October 18, 2020In: Class 10

Identify the substances that are oxidised and the substances that are reduced in the following reactions.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Intext Questions Page No-13 Questions No-3 (i) 4Na(s) + O2(g) ® 2Na2O(s) (ii) CuO(s) + H2(g) ® Cu(s) + H2O(l)

Ankur Bansal

Asked: October 18, 2020In: Class 10

Give an example of a double displacement reaction other than the one given in Activity 1.10.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Intext Questions Page No-13 Questions No-2

Ankur Bansal

Asked: October 18, 2020In: Class 10

Why does the colour of copper sulphate solution change when an iron nail is dipped in it?

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

Ankur Bansal

Asked: October 18, 2020In: Class 10

Write the balanced equation for the following chemical reactions.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Intext Questions Page No-6 Questions No-2 (i) Hydrogen + Chlorine ® Hydrogen chloride (ii) Barium chloride + Aluminum sulphate ® Barium sulphate + Aluminum chloride (iii) Sodium + Water ...

Ankur Bansal

Asked: October 18, 2020In: Class 10

Write a balanced chemical equation with state symbols for the following reactions.

NCERT Solution for Class 10 Science Chapter 1 Chemical Reactions and Equations Intext Questions Page No-6 Questions No-3 (i) Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride. (ii) ...