Physical Nature of Matter

Q.

Is fire or energy a matter or element.

Q. Based on the molecular sketch, and the information in the accompanying table, which of the following best describes the molecule in the sketch?

1. An alcohol
2. An amino acid
3. A hydrocarbon
4. A carboxylic acid

Q. Equal masses of O2 and Ch4 have been taken in same container of volume v at 25°c the ratio of volume of gases diffuses out initially from vessel is.why cant we take only under root of molecular weight instead of moles

Q.

Explain an activity to show that the particles of matter have inter-particle spaces between them.