Related Questions

The most abundant element in the earth 's crust is oxygen . The second most abundant element is the earth's crust is -
A Hydrogen
B Silicon
C Nitrogen
D Brass
The most abundant rare gas in the atmosphere is
A He
B Ne
C Ar
D Xe
The most abundant element in the earth's atmosphere is
A Argon
B Nitrogen
C Oxygen
D Krypton
The most abundant element in the earth’s atmosphere is
A Argon
B Nitrogen
C Oxygen
D Krypton
Which one is the most abundant gas in the air?
A Oxygen
B Nitrogen
C Carbon dioxide
D Methane
কোন নিষ্ক্রীয় গ্যাসে (Inert gas) আটটি ইলেকট্রন নেই?
A হিলিয়াম
B নিয়ন
C আর্গন
D জেনন
কোন নিষ্ক্রিয় গ্যাসে (Inert gas) আইটি ইলেকট্রন নেই?
A হিলিয়াম
B নিয়ন
C আর্গন
D জেনন
Which of the following is an Inert Gas?
A Hydrogen
B Nitrogen
C Oxygen
D Argon
The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is
A Argon
B Xenon
C Helium
D Krypton
The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing is
A Neon
B Krypton
C Argon
D Helium

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