state gov TSPSC Group 3 (తెలంగాణ గ్రూప్ 3) 2023 Mock Test Series General Science Chemistry Periodic Table
Which of the following statement(s) is/are correct:
a). Chromite is an ore of Chromium.
b). Magnetite is an ore of Manganese.
c). Potassium dichromate is yellow in color.
d). Potassium permanganate is purple in color.
1
a and b
2
a and c
3
b and d
4
a and d