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The formation of an ideal solution from components A and B indicates:
Which of the following is a secondary pollutant?
Natality refers to
Maximum oxidation state is shown by:
Vapour pressure of chloroform ($CHCl_3$) and dichloromethane ($CH_2Cl_2$) at 25°C are 200 mm Hg and 41.5 mm Hg respectively. Vapour pressure of the solution was obtained by mixing 25.5 g of $CHCl_3$ and 40 g of $CH_2Cl_2$ at the same temperature will be: (Molecular mass of $CHCl_3$ = 119.5 u and molecular mass of $CH_2Cl_2$ = 85 u)
Which colligative property provides the most accurate method for determining the molecular weight of proteins and polymers?
Which of the following statements is false?
In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen?
For the four successive transition elements (Cr, Mn, Fe and Co), the stability of +2 oxidation state will be there in which of the following order? (At. No Cr= 24, Mn= 25, Fe=26, Co= 27)
Which of the following ions will exhibit colour in aqueous solutions?
The two functional groups characteristic of sugars are
Which of the following pairs has the same size?
World Ozone Day is celebrated on
The manganate and permanganate ions are tetrahedral, due to:
The d-electron configurations of Cr²⁺, Mn²⁺, Fe²⁺ and Ni²⁺ are 3d⁴, 3d⁵, 3d⁶ and 3d⁸ respectively. Which one of the following aqua complexes will exhibit the minimum paramagnetic behaviour? (At. No. Cr = 24, Mn = 25, Fe = 26, Ni = 28)
Casparian strips occur in
Which of the following is not a product of light reaction of photosynthesis?
The incorrect statement regarding the lanthanons is:
Name the gas that can readily decolourise acidified $\text{KMnO}_4$ solution.
Match List-I with List-II: List-I A. Pons B. Hypothalamus C. Medulla D. Cerebellum List-II I. Provides additional space for neurons, regulates posture and balance II. Controls respiration and gastric secretions III. Connects different regions of the brain IV. Neurosecretory cells