On the cold morning, a gardener touches the iron blade of his spade with one hand and its wooden handle with other hand. Why does he feel the iron blade to be colder than the wooden handle ?
2 7353When the heat rays from the sun area focused on a piece of black cloth by means of a lens, the cloth catches fire. Why ?
1 4200While standing on railway platform and heating the whistle of an engine coming towards us , we hear the sound increasing; bit when the engine is receding from us it appears to fall why ?
1 3135Post New General Chemistry Questions
What is weak acid?
What is iron ore consists of?
What is kentchin?
Write the structural formula for edta.
How is the measurement of ph made?
How is the viscosity of liquid related to its mobility?
What are the factors that affect the viscosity of a liquid?
Write the chemical formula for epsom salts?
Why is acetone used for cleaning viscometer?
Explain the process of spontaneous combustion?
What is the composition of ferroin?
4.0 liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture:
What is molar conductivity?
Does domestic/household used kerosene oil which is available in blue color (In India) can change its color over the due course of time say 8-10 years if keeping in plastic bottle? If so, in which color it will be turned to change, yellow or transparent or any other color. Please provide me the reply with strong technical approach. Since it has been asked during an interview. Please reply fast. I will be thankful to you if anyone can provide the supporting journals/write-ups/reference to favour of response.
Mention the formula to calculate ph of a solution?