📚NCERT Questions — CBSE11
591 solved questions with detailed explanations
Avogadro's Law states that equal volumes of all gases at the same temperature and pressure contain:
In Millikan's oil drop experiment, the magnitude of electrical charge (q) on oil droplets was found to be an integral multiple of the electrical charge (e). This relationship is expressed as:
Which type of hybridisation involves d orbitals?
What is the mass per cent of hydrogen in water (H2O)? (Atomic masses: H = 1.008, O = 16.00)
Indicate the number of unpaired electrons in Cr (Z=24).
What is a key characteristic that distinguishes reversible processes from irreversible processes?
13.8g of N2O4 is placed in a 1L vessel at 400K. The total pressure at equilibrium is 9.15 bar. Calculate the partial pressure of N2O4 at equilibrium for the reaction N2O4(g) <=> 2NO2(g). (R = 0.0831 b
What is the geometry of a molecule where the central atom undergoes sp hybridisation?
How is a hydrogen bond typically represented in chemical structures?
What is the primary characteristic of a buffer solution?