SSLC (English Medium) कक्षा ९ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

What is an orbit?

Why are we able to see the Moon even though it is not a luminous body?

Supernatant denotes the heterogeneous mixture, lying above a solid residue, after crystallization, precipitation, centrifugation, or another process.

What does the LPG (Liquefied petroleum gas) contain?

Air is a ______.

The constituents that form a mixture are also called ______.

Mixtures are impure substances.

The salt solution is an example of a heterogeneous mixture.

When elements are physically mixed they form ______.

A mixture of iron filings and salt is a ______ type of mixture.

Expand LPG ______.

LPG is ______ gas. 

A mixture does not have a fixed ______.

List out the characteristics of Mixtures.

Tabulate Differences between mixtures and compounds.

What is Fajan’s rule? Discuss.

Fajan's rule is formulated by considering ______ the cation and ______ of the cation and anion.

As per Fajan’s rule, A1I₃is ______.

What is Potash alum? Write its formula.

Write notes on the properties of bases.