Which of the following metals does NOT react with oxygen even at a high temperature? (1) Aluminium (2) Silver (3) Lead (4) line

Which of the following metals does NOT react with oxygen even at a high temperature? (1) Aluminium (2) Silver (3) Lead (4) line
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(2) Silver Explanation: Silver and gold do not react with oxygen even at high temperatures as they are less reactive and are placed below the reactivity series.
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Description : Which of the following chemicals is used in photography ? (1) Aluminium hydroxide (2) Silver bromide (3) Potassium nitrate (4) Sodium chloride

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Last Answer : ANSWER: Z -- ELECTRONS 

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Description : Which of the following metals has least melting point ? (1) Gold (2) Silver (3) Mercury (4) Copper

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Description : The metal used for making aircrafts and rockets is (1) Lead (2) Aluminium (3) Nickel (4) Copper

Last Answer : Nickel