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PPSC Past Paper 2025 (Junior Clerk Evening)
PPSC · 2025 · Practice with instant answers and explanations
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100 Past Paper MCQs
Question 39 of 100
39%
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00:00
Question
39
Past Paper
PPSC
Which mineral is used extensively in the cement industry?
A
Calcium
B
Limestone
C
Salt
D
Soda
Correct Answer:
Option B — Limestone
Explanation:
Limestone supplies calcium carbonate, a principal raw material for cement.
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