Civil Services TNPSC Group 1 (New Syllabus) Mock Test 2025 General Science Chemistry States of Matter
Choose the incorrect statement about alloys.
a. Alloys are mixtures of two or more metals.
b. Steel is an alloy of iron and carbon.
c. Alloys are always harder than their component metals.
d. Bronze is an alloy of copper and tin.
1
Only a
2
Only c
3
Only b and c
4
Only a and c