When an amide is treated with bromine in an aqueous or ethanolic solution of sodium hydroxide, degradation of amide leads to primary amine... View Article
Sulphur exhibits oxidation numbers of -2, 0, +2, +4 and +6. For example, elemental sulfur has an oxidation number of 0. In sulfuric acid, the... View Article
The atomic mass of sodium (Na) = 23g The atomic mass of nitrogen (N) = 14g The atomic mass of oxygen (O) = 16g Molar mass of NaNO3 = 23 + 14 + 16... View Article
(a) Molarity (b) Normality (c) Formality (d) MolalityCorrect answer: (d) MolalityMolality is the mode of expression, the concentration of a... View Article
Answer: The total number of orbitals associated with the third shell will be 9. In the third shell (n=3), we have 3s orbital, 3p orbitals, 3d... View Article
NaCl is dropped with 10-4 mole of SrCl2, i.e., 100 moles of NaCl are dropped in 10-4 mole of SrCl2. That means, 1 mole of NaCl is dropped in 10-6... View Article
(a) Enthalpy(b) Temperature (c) Volume (d) Refractive Index Correct answer: (b) Temperature and (c) Refractive Index The intensive quantities... View Article
Answer: The matter is composed of tiny particles called atoms, hence matter is particulate and not continuous. The matter is made up of... View Article
The inner membrane of Mitochondria is deeply folded to create a large surface area for chemical reactions of oxidative phosphorylation, i.e. the... View Article
(a) Adiantum(b) Dryopteris(c) Salvinia(d) EquisetumCorrect answer: (c) SalviniaSalvinia is an aquatic fern. These aquatic ferns are generally... View Article
In-plant cells, the vacuoles can occupy up to 90 per cent of the cell's volume. Thus, plant cells are known to large-sized vacuoles than animal... View Article
The holandric traits are the traits that are produced by genes present only on the Y chromosome. These are Y-linked by traits that inherit from... View Article
The four basic processes that result in the fluctuation in the density of the population of a given habitat are natality, mortality, immigration... View Article