The ratio between the number of carbon atoms and nitrogen atoms in melamine molecule is ____.
The ratio in which sodium and chlorine atoms combine to form 1 molecule of NaCl is
The ratio in which calcium and chlorine atoms combine to form 1 molecule of CaCl2 is
In the alkane H3C−CH2−C(CH3)2−CH2−CH(CH3)2, identify 1∘,2∘,3∘ carbon atoms and give the number of H atoms bonded to each one of these.
1∘, 2∘, 3∘ and 4∘ carbon atoms are present in?
Find the total number of molecules and atoms in the reactants:
N2+3H2→2NH3