Discussion
Chemically, hydrated magnesium-aluminium-iron silicate is:
Answer: D
Vermiculite is a hydrated magnesium-aluminium-iron silicate, a mineral that expands on heating and is used as a light, water-holding growing medium.
Coco-coir is coconut fibre and peat is partly decayed plant matter, both organic. Perlite is a volcanic glass, a silicate of aluminium and not a magnesium-iron one.
Vermiculite is made by heating a mica-like mineral, which makes it expand into light flakes that hold water and nutrients. It is used for seed germination and in soilless mixes.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development