Boiling reduces vitamin C content more than any other cooking method. Broccoli, spinach, and lettuce may lose up to 50% or more of their vitamin... View Article
Fe + CuSO4(aq) → FeSO4(aq) + Cu(s) The type of reaction is a displacement reaction. In this reaction, the highly reactive metal iron replaces... View Article
Answer: The lemon pickle contains acids. Metals like aluminum readily react with acid to liberate hydrogen gas. This can lead to spoiling... View Article
Equivalent weight is calculated by dividing the molecular weight by n factor. Equivalent weight = Molecular weight/n n= total positive or... View Article
Nitrogen dioxide a mixture of anhydride means the compound forms a mixture of two acidic anhydrides. It is because when NOâ‚‚ dissolves in water,... View Article
CNA 6th April 2021:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related INTERNATIONAL RELATIONS 1. Putin signs law that could... View Article
Nitrogen gas is present in aeroplanes and racing tyres . It is an inert gas so high pressures and temperatures do not affect it as with air. The... View Article
Molarity is defined as the number of moles of the solute per litre of solution. Molarity = No of moles of solute/Volume of solution in litre... View Article
The correct answer is (a) Molarity An extensive property is a property that depends on the amount of matter in a sample. An extensive property... View Article
Isomerism is the phenomenon in which more than one compounds have the same chemical formula but different chemical structures. Chemical compounds... View Article
Answer:Â B) sodium chloride Sublimation is the process of a substance changing directly from the solid to the gas phase without passing through... View Article
The principal organic acids found in grapes are tartaric, malic, and to a small extent, citric. Grapes are one of the rare fruits that contain... View Article
Cotton is a solid which has minute (porous) holes. The pores tend to trap the air and thus the density of cotton becomes less than that of the... View Article
Answer: Interconversion of matter refers to the change of one state to another. It is a process by which matter changes from one state to... View Article
Temperature of boiling water cannot be measured by a Clinical thermometer. An alcohol thermometer cannot be used to measure the temperature of... View Article
Answer: A bond dipole moment is a measure of the polarity of a chemical bond between two atoms in a molecule. Bond dipole moment involves the... View Article
A mixture of sulphur and carbon disulphide is a heterogeneous colloid and shows the Tyndall effect. In a colloidal solution, the particles are... View Article
Oxidation number of S1= +2 + 1 + 2 = Oxidation number of S3= 0 Oxidation number of S4 = +2 + 1 + 2 = +5 Average oxidation number of S = +5 + 5 +... View Article