0.20
0.30
0.40
0.50
Correct answer is C
No of mole → (2.98)/(58.7) ..............0.1
2.0 .................x
∴ x = (0.2)/(2.98) x 58.7 x 0.40
Hydrogen is used in oxy-hydrogen flames for melting metals because it ...
In the industrial production of H2 from water gas the CO2 produced along with the H2&...
Hardness in water can be removed by adding ...
Which of the following reactions is correct as as written? ...
What is the percentage by weight of calcium in Ca(OCI)2? [Ca = 40, Cl = 35.5, O = 16]...
When sodium atom form the ion Na+, ...
When sodium chloride and metallic sodium are each dissolved in water ...
23592U+10n→14556Ba+8836Kr+310n+Energy The equation above ...
The number of replaceable hydrogen atoms in one acid indicates its ...