Which one of the following elements is found common in glass, cement, china clay and quartz?
شیشے، سیمنٹ، چائنا کلے اور کوارٹج میں مندرجہ ذیل عناصر میں سے کون سا عام پایا جاتا ہے؟
Answer: Silicon
Explanation
Silicon is an element found in glass, cement, China Clay and Quartz.
Silicon is a chemical element with the symbol Si and atomic number 14.
MUG 10-12-2022
ND5-07-2023
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