Maharshi Kannad's &Democritus Views

Q.

Who coined the term atom?

1. Dalton

2. Kannada

3. Democritus

4. Rutherford

Q.

According to Maharishi Kannada, which of the following does not exist in free state ?

1. sooshm

2. anu

3. param

4. paramanu

Q.

CO+ H₂ is the formula of water gas.

1. True
2. False

Q.

Give two points of evidence to show that sodium chloride is a compound.

Q.

Classify the following as element or compounds.

Iron, sulphur, washing soda, sodium, chalk.

Q. Pure substances are classified as:

1. elements and mixtures
2. compounds and mixtures
3. elements and compounds
4. molecules and mixtures

Q.

According to Maharishi Kanada, the particle named anu is now called as____________ and the particle named paramanu is called as ____________.

Q.

What did Dalton do to differentiate between elements and compounds?

Q.

What are different types of pure substances? Give two examples of each.

Q.

An ………..cant be broken down into simpler substances.

Q. Match the following states of the chemical substance

1. (conc.)
2. (s)
3. (aq)
4. (g)