All of the following are liquid crystals except? Soap solution, DNA, Cholesteryl format, Engine oil
مندرجہ ذیل تمام مائع کرسٹل ہیں سوائے؟
- Soap solution
- DNA
- Cholesteryl format
- Engine oil
Explanation
A liquid crystal is a state of matter that exhibits properties of both liquids and crystals.
It requires the molecules to have a specific structure, often long and rigid, to form ordered phases.
While soap can form structures similar to liquid crystals when mixed with water (forming micelles), pure soap is not a liquid crystal.
The other options listed, DNA, cholesteryl format, and engine oil, can all exhibit liquid crystal properties under certain conditions.
Related MCQs
- 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
اس سوال کو وضاحت کے ساتھ پڑھیں
پانی اور کاربن ڈائی آکسائڈ کے سالمے مل کر کیا بناتے ہیں؟
- Nitric acid
- Carbonic acid
- Sulfuric acid
- None of these