Interested to Buy Any Domain ? << Click Here >> for more details...
Explain the following ?
Matter, Element, Atom, Compound, Molecule, Mixture, Physical
change, Chemical change
- 1 Answers
- 4914 Views
- I also Faced
- E-Mail Answers
Answer / guest
Matter:-The thing having weight occupies space is known as
matter.
Element:-From of matter which cannot be decomposed into
simpler substance are known ad element.
Atom:-The smallest particles of an element may or may not be
capable of independent existence is known as Atom.
Compound:-It is a substance produced after combining two or
more elements in a definite proportion
Molecule:- It is the smallest particle of an element or a
compound having independent existence.
Mixture:- The mixture of two or more elements or compounds
mixed unproprtionately
Physical change:-A temporary changes in which the identity
of a substance does not change is known as physical change.
Chemical change:-A permanent change in which the identity of
substance changes is known as chemical change
| Is This Answer Correct ? | 2 Yes | 3 No |
why PH scale range is 14? why it is not less or not greater than 14? solution of HCl or hydrogen containing liquid has a PH. but if the solution is KMnO4 here not hydrogen power does it PH? explain plz....
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.
What is the use of nitrogen in air ?
What is the difference between gas and vapour?
Why does milk turn sour ?
what is the difference between heat and temperature?
however ozone is havier than oxygen still ozone is up there in sky why?
A dynamite catridge struck in a rock makes the rock burst in being fired. How dies it happen ?
Why dies thermos flask keep a hot liquid hot and a cold liquid cold ?
1 Answers College School Exams Tests,
Mention a few application of cod test in environmental engineering practice.
Which of the above conductivity measured during conductometric titration?
Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?
Organic Chemistry 
