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

The formula of bleaching powder is  ______.

The taste of acid is ______.

Write notes on the properties of acids.

Carbon has the tendency to lose its four electrons with that of other atoms to complete its octet.

Write the applications of Nanochemistry.

Nanoparticles are unstable when they come in contact with ______.

Which is the incorrect statement in the following?

Nanotechnology deals with materials that are smaller than ______.

The metallic nanoparticles can be used as ______.

Nanoparticle substances are incorporated into fabrics to prevent ______.

Nanoparticles are easy to synthesize, isolate, and apply.

Assertion (A): Nanoparticles interact with impurities.
Reason (R): Nanoparticles are less reactive.

What are the specific qualities of nanoparticles?

List out the instruments used to analyse nanoparticles.

Write short notes on nanochemistry.

Mention medical applications of Nanorobotics.

Mention the drawbacks of Nanomaterials in chemistry.

The ______ plant exhibits one of the fastest known nastic movements.

Give the scientific term for the following:

Growth independent movement in plants.

Curdling of milk protein is done by ______.