0 of 6 Questions completed
Questions:
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
0 of 6 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Average score |
|
Your score |
|
Pos. | Name | Entered on | Points | Result |
---|---|---|---|---|
Table is loading | ||||
No data available | ||||
Which of the following is/are true for Dalton atomic theory?
1. All matter is made up of very tiny particles called atoms.
2. Atoms do not participate in chemical reactions.
3. Atoms are indivisible particles.
Which of the following is/are correct for law of constant proportion?
1. It was given and stated by Lavoisier.
2. In a chemical substance the elements are always present in definite proportions
by mass.
Which of the following is/are correct for atomic mass?
1. It was proposed by Bohr.
2. It was explained by law of constant proportions.
Which of the following is/are correct for molecules?
1. It is a group of two or more atoms that are chemically bonded together.
2. Atoms of only the same element join to form molecules.
Which of the following are correctly matched?
1. Argon – monoatomic
2. Phosphorus – poly atomic
3. Chlorine – diatomic
Which of the following is/are correct for ions?
1. The charged species are known as ions.
2. A negatively charged ion is called an cation.
3. A group of atoms carrying a charge is known as a polyatomic ion.