Recent

Friday, January 29, 2021

Std-10 Sub-science Weekly class test

Enfant India English School 
Subject: Science 
Topic: Metallurgy 
Std: 10th 

Q1) Explain Froth floatation process 
Q2)  Define Metallurgy
Q3)  Give scientific reason Pine oil is used in froth flotation.
Q4) Draw a neat labelled diagram Hydraulic separation method.
Q5) Define roasting & Calcination?