Given,The ratio of hydrogen and oxygen by mass to form water = 1 : 8 Thus, the mass of oxygen gas must react completely with 1g of hydrogen gas =... View Article
Silk fibres are also animal fibres. Silkworms spin the 'silk fibres'. The rearing of silkworms for obtaining silk is called sericulture.... View Article
Synthetic fibre is a chain of small units joined together. Each small unit is actually a chemical substance. Many such small units combine to... View Article
Which has the maximum number of atoms of oxygen? (a) 10 ml H2O (l) (b) 0.1 mole of V2O5 (c) 12 gm O3 (g) (d) 12.044 ×1022 molecules of CO2... View Article
The correct answer is (b) The oxidation state of Sulphur is never less than +4 in its compound. The oxidation state of Sulphur varies from -2 to... View Article
Answer: The chemical symbol for sodium is Na. Sodium has a strong metallic lustre and in colour is very analogous to silver. It is soft at... View Article
A Nucleophile that can execute nucleophilic attacks from two or more different places in the molecule (or ion) is called an Ambident Nucleophile.... View Article
Azeotropes are binary liquid mixtures that distil at a constant temperature without undergoing any change in composition. Minimum boiling... View Article
True, oxygen is a neutral gas that supports combustion. As we know that combustion is reliant on a chemical reaction between oxygen and certain... View Article
