Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Solutions
The absorption of ink by blotting paper involves
1
viscosity of ink
2
capillary action
3
diffusion of ink through the blotting
4
More than one of the above
5
None of the above