Science Questions

What is the atomic number of Iron (Fe)?

Which of these is a noble metal?

The greenish coating formed on copper when exposed to moist air is due to:

Which metal can be cut easily with a knife?

What is the primary use of Lead in batteries?

Stainless steel is an alloy of iron with:

Which metal foil is used to decorate sweets in Nepal and India?

What gas is produced when metals react with dilute acids?

What is the symbol for Gold?

Which metal is used in the manufacture of aircraft bodies because of its lightness?

Copper pyrites is chemically represented as:

Which is the most malleable metal?

What is the reason Aluminum does not corrode easily despite being a reactive metal?

Which of the following metals will not displace hydrogen from dilute acids?

Calcination is a process used for which type of ores?

What is the role of Cryolite (Na3AlF6) in the extraction of Aluminum?

Which metal is extracted using the self-reduction process?

The impurity present in the ore is technically called:

What is formed when Flux reacts with Gangue?

Which of the following is a 'Froth Floatation' process used for?