CBSE Class 10 Answered
A shiny brown colour element 'X' on heating in air becomes black in colour. What is the name of the element 'X' and the black colour compound formed?
Asked by arup_chakraborty2007 | 20 May, 2017, 08:58: PM
Expert Answer
Copper is the brown coloured element X which on heating in air becomes black coloured compound copper oxide.
Answered by Vaibhav Chavan | 22 May, 2017, 11:22: AM
Application Videos
-
Effect of Temperature on chemical reactions
This video explains dependence of chemical reaction on temperature by an...
-
Exothermic Reactions
This video explains an assertion and reason question based on exothermic...
Concept Videos
-
Chemical Reactions - Part 1
This video explains the chemical reaction and its features in terms of endo... -
Chemical Reactions - Part 2
This video explains the electrolysis of water as a chemical reaction, and t... -
Chemical Reactions - Exam Decoded
This video contains questions on the features of chemical reactions, endoth... -
Chemical Reactions
Chemical Reactions, Characteristics of Chemical Reactions -
Chemical Reactions
Chemical Reactions, Characteristics of Chemical Reactions
CBSE 10 - Chemistry
Asked by shoaibhakak41 | 18 Jan, 2023, 02:17: PM
ANSWERED BY EXPERTCBSE 10 - Chemistry
Asked by nehashekh291 | 03 Jan, 2023, 03:11: PM
ANSWERED BY EXPERT
CBSE 10 - Chemistry
Asked by ansheera3236 | 11 Jul, 2022, 05:05: PM
ANSWERED BY EXPERTCBSE 10 - Chemistry
Asked by pachchigarkeyur | 08 Mar, 2022, 12:05: PM
ANSWERED BY EXPERTCBSE 10 - Chemistry
Asked by radhikaraut258 | 25 Feb, 2022, 09:07: AM
ANSWERED BY EXPERTCBSE 10 - Chemistry
Asked by siwach.mukesh78 | 03 Nov, 2021, 08:48: AM
ANSWERED BY EXPERTCBSE 10 - Chemistry
Asked by Trisha Gupta | 23 Sep, 2021, 01:57: PM
ANSWERED BY EXPERTCBSE 10 - Chemistry
Asked by abhishek707356 | 10 Sep, 2021, 10:29: AM
ANSWERED BY EXPERT
