JEE Main 202324 JanuaryMorning Shift
- Exam
- JEE Main
- Year
- 2023
- Date
- 24 January
- Shift
- Morning Shift
- Subject
- Chemistry
- Chapter
- s Block Elements
JEE Main 2023 · 24 January · Morning Shift · Chemistry · s Block Elements
Match Column I with Column II Column I Column II A Soda ash I CaSO...
Match Column I with Column II
| Column I | Column II | ||
| A | Soda ash | I | |
| B | Chlorophyll | II | |
| C | Used in Whitewashing | III | |
| D | Dentistry, ornamental work | IV | ions |
Options
- A
A – III, B – IV, C – I, D – II
- BA – II, B – I, C – III, D – IV
- CA – III, B – I, C – II, D – IV
- DA – II, B – III, C – IV, D – I
Correct answer
A.
A – III, B – IV, C – I, D – II
Step-by-step solution
Sodium carbonate also known as washing soda, soda ash and soda crystals. In chlorophyll the central ion is magnesium, and the large organic molecule is a porphyrin. Whitewash, lime paint is a type of paint made from slaked lime (calcium hydroxide,) or chalk calcium carbonate, (). is used in dentistry and ornamental work.