Click the correct answer (True or False).
Click the correct answer.
Which of the following is the hardest naturally occurring substance?
Tungsten
Iron
Diamond
Plastic
Filament of a light bulb is made of which metal?
Tungsten
Graphite
Steel
Platinum
Which of the following is the Latin name of copper and its symbol?
Cuprum, Cu
Kalium, Ka
Kuprum, Ku
Calium, Ca
Natrium (Na) is the Latin name of which of the following?
Nitrogen
Sodium
Neon
Nitrogen dioxide
Ammonia consists of which two elements?
Nitrogen, hydrogen
Sodium, hydrogen
Nitrogen, oxygen
Hydrogen, oxygen
Which of the following apparatus is not used while filtering out the chalk powder from water?
Funnel
Beaker
Filter paper
Sieve