Chemistry, asked by sanjayDAlia, 1 year ago

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 Solutions for Class 10th Science Chapter 1 Chemical Reactions and Equations Exercise 17

NCERT Class X
Science - Science

Chapter_Chemical Reactions and Equations

Answers

Answered by Annn
3
CaCO3 (s) ⇨ CaO (s) + CO2 (g) Decomposition reactionH2 (g) + Cl2 ⇨ 2HCl (g) Combination reaction
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