1. Alloy used for making magnets?
Answer - Al-Nico
2. The element present in the largest amount in
rocks and minerals is ?
Answer - Silicon
3. German silver is an alloy of -?
Answer - Zinc,
Copper and Nickel
4. Balloons are filled with ?
Answer - Helium
5. The element common to all acids is?
Answer - Hydrogen
6. The most malleable metal is?
Answer - Gold
7. --- is used in beauty parlors for hair setting?
Answer - Sulphur
8.Which is known as laughing gas?
Answer - Nitrous
Oxide
9.Stainless steel is an alloy of -?
Answer - Iron, Chromium and Nickel
10.The metal used in storage batteries?
Answer - Lead
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