ICSE Class 6 Answered
Write a note on development of chemistry from historical perspective
Asked by ambilyyadu | 16 Jun, 2020, 01:54: PM
Expert Answer
Period
Scientist
Discovery
8th century
Alchemists
Nitric acid was named aqua fortis.
9th century
-
Sulphuric acid was first mentioned.
1630
Van Helmont
Carbon dioxide was discovered.
1772
Daniel Rutherford
Nitrogen gas was discovered.
1774
Joseph Priestly
Oxygen and ammonia were discovered.
1776
Henry Cavendish
Hydrogen gas was first prepared.
1776
De Lassone
Carbon monoxide was first prepared.
1777
Lavoisier
The elementary nature of sulphur was recognised.
1807
John Dalton
Atomic theory was postulated.
19th century
-
Modern theory was established.
Period |
Scientist |
Discovery |
8th century |
Alchemists |
Nitric acid was named aqua fortis. |
9th century |
- |
Sulphuric acid was first mentioned. |
1630 |
Van Helmont |
Carbon dioxide was discovered. |
1772 |
Daniel Rutherford |
Nitrogen gas was discovered. |
1774 |
Joseph Priestly |
Oxygen and ammonia were discovered. |
1776 |
Henry Cavendish |
Hydrogen gas was first prepared. |
1776 |
De Lassone |
Carbon monoxide was first prepared. |
1777 |
Lavoisier |
The elementary nature of sulphur was recognised. |
1807 |
John Dalton |
Atomic theory was postulated. |
19th century |
- |
Modern theory was established. |
Answered by Ramandeep | 17 Jun, 2020, 10:40: PM
Concept Videos
ICSE 6 - Chemistry
Asked by radhe.radhe311247 | 30 Apr, 2023, 12:59: PM
ANSWERED BY EXPERT
ICSE 6 - Chemistry
Asked by suriyanaathjk | 10 Jul, 2022, 11:24: PM
ANSWERED BY EXPERT
ICSE 6 - Chemistry
Asked by bibhadubey72 | 03 May, 2022, 02:35: PM
ANSWERED BY EXPERT
ICSE 6 - Chemistry
Asked by bibhadubey72 | 03 May, 2022, 02:33: PM
ANSWERED BY EXPERT
ICSE 6 - Chemistry
Asked by moumitaghosh02225 | 02 May, 2022, 08:30: AM
ANSWERED BY EXPERT
ICSE 6 - Chemistry
Asked by faizanshaikh00.6spicertl | 16 Sep, 2020, 03:07: PM
ANSWERED BY EXPERT
ICSE 6 - Chemistry
Asked by mrunalmaid44.6spicertl | 07 Sep, 2020, 04:24: PM
ANSWERED BY EXPERT
ICSE 6 - Chemistry
Asked by rugvedkulkarni49.6spicertl | 03 Sep, 2020, 03:00: PM
ANSWERED BY EXPERT
ICSE 6 - Chemistry
Asked by rugvedkulkarni49.6spicertl | 01 Sep, 2020, 05:13: PM
ANSWERED BY EXPERT