Acetic acid on decarboxylation gives
butane
methane
ethane
propane
B.
methane
'Sun is a constant source of energy'. Which nuclei get fused in Sun's atmosphere?
Plutonium
Hydrogen
Helium
Uranium
When a helium atom loses an electron it becomes
an alpha particle
a proton
a positive helium ion
a negative helium ion
According to kinetic theory of gases, at the temperature of absolute zero, the gas molecules
start movement
become massless
start emitting light
stop movement
Probiotic curd (yogurt) contains health benefitting good
bacteria
source of energy
transgenic genes
antibiotics
The 'fine respiratory particles' which deteriorate air quality for breathing by human beings are categorised as
PM 0.0
PM 2.5
PM 8.5
PM 10.0