Some Basic Concepts of Chemistry questions
951 published questions with worked solutions.
- The equivalent weight of an element can be calculated from:
- The gram molecular weight of hydrogen peroxide is 34. What is the unit of gram molecular weight?
- 45 g of acid of mol. wt. 90 is neutralized by 200 mL of 5 N caustic potash. The basicity of the acid is:
- The equivalent weight of H_3PO_4 in the reaction H _3 PO _4+ Ca(OH) _2 CaHPO _4+2 H _2 O is:
- 1.5 litre of a solution of normality N and 2.5 litres of 2 M HCl are mixed together. The resultant solution had a normality of 5....
- The value of gram molar volume of a gas is:
- The equivalent weight of a substance is the weight which either combines with or displaces:
- Equivalent weight of an acid:
- How many mole of atoms are in a mole of CH_3COOH molecule?
- The normality of 4% (w/V) NaOH is:
- Molecular weight of NaCl is 58.5. A solution of NaCl containing 5.85 g NaCl per litre is:
- The weight of 11.2 litre of any gas at STP represents its:
- If 1.2 g of a metal displaces 1.12 litre of hydrogen at normal temperature and pressure, the equivalent weight of the metal would...
- The weight of an atom of atomic mass 260 amu is:
- The number of atoms in n moles of gas can be given by:
- The number of moles of water in 488 g BaCl_2 2H_2O are:
- The total number of protons, electrons and neutrons in 12 g of ^ 12 _6C is:
- How many atoms are contained in a mole of acetic acid?
- In the relationship molecular formula = empirical formula n, the n may have:
- Number of g-atoms of an element in one atom are:
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration