NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Chemistry
- Chapter
- General Principles and Processes of Isolation of Metals
NTA Abhyas 2020 · Chemistry · General Principles and Processes of Isolation of Metals
How many of the following clements exclusively occur in combined...
How many of the following clements exclusively occur in combined state?
Gold, iron, zinc, aluminium, platinum, sodium, magnesium
Gold, iron, zinc, aluminium, platinum, sodium, magnesium
Correct answer
5
Step-by-step solution
Gold and platinum occur in the free state while iron, zinc, aluminium, sodium and magnesium occur in combined state.