Blue coloured aluminium mineral is

0 1,702

1. Blue coloured aluminium mineral is:

Lapis Lazuli

2. Ornamental gold is an alloy of:

Gold and copper

3. Which of the following alloy has lowest melting point?

(Alnico, Duralumin, Solder, Nichrome)

Solder

4. Which of the following is the ore of Beryllium?

(Beryl, Berylitite, Scheelite, Chromite)

Beryl

5. Bornite is the ore of:

Copper

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6. The ore of Tungsten is:

Wolframite

7. Which of the following is the ore of metal Chromium?

(Chromal, Chromite, Scheelite, Beryl)

Chromite

8. Which of the following is not the mineral of Copper?

(Bornite, Chalcocite, Malachite, Pyrolusite)

Pyrolnsite

9. Scheelite is the ore of:

Ans: Tungsten

10. The ore of Cobalt is:

Ans: Cobaltite

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