MCQ
An advantage of detergents over soaps is:
- ADetergents always contain heads.
- BDetergents are biodegradable.
- CDetergents are cheaper to make.
- ✓Detergents do not precipitate in hard water.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$\frac{{dx}}{{dt}} = k\left[ P \right]{\left[ Q \right]^{0.5}}{\left[ R \right]^{0.5}}$
Which statement about the above equation is wrong?