Metals and Non-Metals Chapter 3 Class 10 Science PYQs
Practice PYQ of Metals and Non-Metals Chapter 3 Class 10 Science with handpicked important questions from previous years question paper with solutions.
Q1:
With the help of suitable chemical equations, list the two main differences between roasting and calcination. How is metal reduced from the product obtained after roasting/calcination of the ore ? Write the chemical equation for the reaction involved.
CBSE [2023]
Medium
Q2:
A metal 'X' is used in thermite process. When X is burnt in air it gives an amphoteric oxide 'Y'. 'X' and 'Y' are respectively :
(a) Fe and Fe₂O₃
(b) Al and Al₂O₃
(c) Fe and Fe₃O₄
(d) Al and Al₃O₄