CBSE Class 11-science Answered
20 carat of gold is a mixture of 20 parts by weight of gold and 4 parts by weight of copper.Pure gold is 25 carat.
Asked by avdeshsharma981 | 02 Aug, 2019, 01:54: PM
Expert Answer
Gold which is 100 percent pure is called 24 carat gold. Pure gold is soft.
As a result the ornaments made from pure gold bend or break due to pressure.
Hence gold-smith add specific amount of copper or silver in pure gold. To prepare ornaments 22 carat gold is used.
|
Carat (gold) |
Percentage(gold) |
|
24 |
100 |
|
22 |
91.66 |
|
18 |
75.00 |
|
14 |
58.33 |
|
12 |
50.00 |
|
10 |
41.66 |
Answered by Ramandeep | 05 Aug, 2019, 03:20: PM
Concept Videos
-
Basic Concepts of Chemistry
This video explains the importance of chemistry in daily life, SI units of ... -
Basic Concepts of Chemistry
This video explains the concept of precision, accuracy and significant figu... -
Basic Concepts of Chemistry
This video contains practice questions on importance of chemistry in daily ...
CBSE 11-science - Chemistry
Asked by hm6561889 | 15 Apr, 2024, 07:45: AM
ANSWERED BY EXPERTCBSE 11-science - Chemistry
Asked by ansh.skulkarni1158 | 07 Apr, 2024, 11:03: AM
ANSWERED BY EXPERTCBSE 11-science - Chemistry
Asked by VarunTYAGi9013 | 21 Oct, 2023, 07:14: PM
ANSWERED BY EXPERTCBSE 11-science - Chemistry
Asked by pujakum60022 | 11 Jun, 2023, 08:09: PM
ANSWERED BY EXPERTCBSE 11-science - Chemistry
Asked by vibhutimandal70 | 26 Jun, 2022, 10:39: PM
ANSWERED BY EXPERTCBSE 11-science - Chemistry
Asked by sd8022567 | 10 Jun, 2022, 11:39: PM
ANSWERED BY EXPERTCBSE 11-science - Chemistry
Asked by Bhathika1434 | 13 Oct, 2020, 07:13: PM
ANSWERED BY EXPERTCBSE 11-science - Chemistry
Asked by tiparsemahesh | 04 Oct, 2020, 07:35: PM
ANSWERED BY EXPERTCBSE 11-science - Chemistry
Asked by nirajrane1234 | 09 Sep, 2020, 09:53: PM
ANSWERED BY EXPERTCBSE 11-science - Chemistry
Asked by Ssajal020 | 25 Aug, 2020, 06:14: PM
ANSWERED BY EXPERT
