SSC CPO 20201)Hydro Thermal Carbonisation technology developed at IIT, Kharagpur is a process of generation of energy from which of the following sources?
Solid waste with high moisture content
SSC CPO 20202)In the Millikan’s Oil Drop experiment, the oil drop is subjected to such forces whose nature does NOT fall under the category of:
magnetostatic
SSC CPO 20203)If the size of the nucleus of an atom is compared with a cricket ball, then the radius of the atom is approximately equal to how many kilometres?
5
SSC CPO 20204)What is the Atomic Number of the element Einsteinium?
99
SSC CPO 20205)Iron nails become ______ after being dipped in copper sulphate solution.
brownish
SSC CPO 20206)Saltpetre is another name for ______.
potassium nitrate
SSC CPO 20207)Which of the following is NOT a fossil fuel ?
Biomass
SSC CPO 20208)What is the chemical symbol of Arsenic ?
As
SSC CPO 20209)Which among the following is NOT true about a solution and the solute concerned?
The particles of the solute settle down at the bottom when the solution is kept undisturbed.
SSC CPO 202010)What is the number of hydrogen atoms in a molecule of calcium bicarbonate?
2