Slow cooling of crystal yield to produce?
- Small crystal
- Large crystal
- Both a and b
- Electrons
Explanation
When a substance is cooled slowly, only a limited number of nucleation sites are formed.
As a result, larger crystals are produced.
The better crystals tend to be obtained on slow cooling than on rapid cooling
- because rapid cooling induces the formation of many nucleation sites
- fast cooling yields small crystals.
Related MCQs
- 100 kg
- 200 kg
- 300 kg
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Temporary water connections
- Underground and permanent water-supply lines
- High-temperature steam lines
- Drainage of rainwater only
اس سوال کو وضاحت کے ساتھ پڑھیں
- 10–20 minutes
- 30–60 minutes
- 2–4 hours
- 12–24 hours
اس سوال کو وضاحت کے ساتھ پڑھیں
- Vertical drop fall
- Glacis fall
- Montague type fall
- Inglis fall
اس سوال کو وضاحت کے ساتھ پڑھیں
آکسیجن زیادہ تر عناصر کے ساتھ عمل کرکے دو عنصری مرکبات بناتی ہے جنہیں کیا کہتے ہیں؟
- Bases
- Oxides
- Acids
- None of these