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

Salts containing water of crystallization are called ______ salts.

Salts that do not contain water of crystallization are called ______.

What is the water of crystallization?

The burning of PVC releases ______.

Which among the following plastics release antimony when we reuse.

List the three unsafe plastics.

Why? do we remove plastics safely? How can it be done?

Mention two reasons for the harmful nature of plastics.

Write a note on Natural dyes.

The dye that can only be used on cotton is ______.

Dyes are aromatic compounds that originated from plants and insects.

The dye should be fast to light.

List out the characteristics of the Dye.

Match the following:

The animals belonging to phylum ______ are said to be soft-bodied. 

The name ______ means “a thousand legs”.

Non-striated muscles are found in ______.

Cylindrical, unbranched multinucleated cells are ______.

Both smooth and cardiac muscles are ______ in nature. 

Striated and non-striated tissues are types of epithelial tissues.