Download App

Metallurgy — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryMetallurgy1 Mark
MCQ
In the froth floatation process for the purification of ores, the particles float because ……………
  • A
    they are light
  • ✓
    their surface is not easily wetted by water
  • C
    they bear electrostatic charge
  • D
    they are insoluble
✓

Answer

Correct option: B.
their surface is not easily wetted by water
their surface is not easily wetted by water

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer." from Metallurgy→Metallurgy — all question types→Chemistry STD 12 question papers→Tamilnadu Board STD 12 question papers→Tamilnadu Board question paper generator→

Similar questions

The element that does not show catenation among the following p-block elements is ____________.
→
In the Hoffmann bromamide degradation reaction, the number of moles of KOH and $Br_2$ used per mole of amine produced are …………..
→
Streptomycin is effective in the treatment of ……………
→
Graphite and diamond are ____________.
→
The molarity of given orthophosphoric acid solution is 2M. its normality is ____________.
→
Which one of the following is an example for homogeneous catalysis?
→
Find the odd correct pair :
→
Which one of the following is a non steroidal anti inflammatory drug?
→
The actual electronic configuration of La (Z = 57) is …………..
→
Which one of the following reagents is used to convert Nitrobenzene to aniline?
→