CHEMISTRY ONE LINER SET 49
1. The addition of Gypsum to Portland cement helps in– Preventing rapid settling of cement2. Who discovered cement? Joseph Aspdin
3. Air pollution by “Fly Ash” is caused by– Cement industry
4. Cement is formed by strongly heating a Mixture of – Lime Stone and clay
5. Cement is a mixture of – Calcium Silicate and calcium aluminates
6. Which one of the following Metals is used to Heat up the electric iron? Nichrome
7. Which of the following is strongest coagulant? Aluminum Chloride
(Alcl3)
8. The Base used as an antacid is – Magnesium Hydroxide Mg(OH)2
9. Which of the following metal is found in Free State? Copper
10. Which one of the following is used in Pencils? Graphite
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