Answer Posted / srishti
physical changes are changes in the physical properties of
substances. No new substance is formed in this change.
These changes may be reversible.
In chemical changes new substances are produced
| Is This Answer Correct ? | 7 Yes | 1 No |
Post New Answer View All Answers
How do you express the total hardness of water?
What is si unit of viscosity-coefficient?
Define what is avogadro’s law?
Which is the indicator used in the determination of cao I cement solution?
What is mole?
What is meant by transmittance?
SET Examination Previous Questions
What is meant by ph of a solution?
Give the others form of iron ore.
What is determining factor in the oxidation reduction reaction?
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.
How is brass solution prepared?
Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?
Define what is oxidation and reduction reaction?
What is the principle involved in conductometric titration?