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प्रश्न
Name one metal occurring as a : Halide ore
उत्तर
Silver
APPEARS IN
संबंधित प्रश्न
State the main components of the following alloys:
Bronze
Name the most common ore of the metal aluminium from which the metal is extracted. Write the chemical formula of the ore.
State a reason why zinc is used in:
cosmetics?
Name an alloy of lead used in electrical wiring or electrical work in joining metals.
Identify the pairs of metals and their ores from the following.
| Group A | Group B |
| a. Bauxite | i. Mercury |
| b. Cassiterite | ii. Aluminium |
| c. Cinnabar | iii. Tin |
Write the name and formula of two ores of the following: Iron
Explain the following:
Aluminium is extensively used for making aircraft parts.
From the metals copper, iron, magnesium, sodium and zinc, select a different metal in each case which:
(a) Does not react with dilute hydrochloric acid
(b) Can form 2+ and 3+ ions
(c) Has a hydroxide that reacts with both acid and alkalis.
(d) Does not react with cold water, but reacts with steam when heated.
Name the ore of zinc containing its sulphide.
Answer the following question :
Write the constituents of electrolyte for the extraction of aluminum.
