SSLC (English Medium) Class 10 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

Give the balanced chemical equation of the following reaction:

Combustion of ethanol. 

Give the balanced chemical equation of the following reaction: 

Combustion of ethanol. 

Give the balanced chemical equation of the following reaction:

Neutralization of NaOH with ethanoic acid.

Give the balanced chemical equation of the following reaction: 

Oxidation of ethanol by acidified potassium dichromate.

Give the balanced chemical equation of the following reaction: 

Oxidation of ethanol by acidified potassium dichromate.

Use the analogy to fill in the blank.

Nuclear Fusion : Extreme temperature, Nuclear Fission : ______. 

Give the balanced chemical equation of the following reaction:

Combustion of ethanol.

Give the balanced chemical equation of the following reaction:

Oxidation of ethanol by acidified potassium dichromate.

Where should an object be placed so that a real and inverted image of the same size is obtained by a convex lens?

A small bulb is placed at the principal focus of a convex lens. When the bulb is switched on, the lens will produce

Which of the following lens would you prefer to use while reading small letters found in a dictionary?

Explain the rules for obtaining images formed by a convex lens with the help of ray diagram.

An object is placed at a distance 20cm from a convex lens of focal length 10cm. Find the image distance and nature of the image.

An object of height 3cm is placed at 10cm from a concave lens of focal length 15cm. Find the size of the image.

According to Boyle’s law, the shape of the graph between pressure and reciprocal of volume is _______.

State Boyle’s law

State-the law of volume

Calculate the coefficient of cubical expansion of a zinc bar. Whose volume is increased 0.25 m³ from 0.3 m³ due to the change in its temperature of 50K?

The frequency, which is audible to the human ear is

If a sound wave travels with a frequency of 1.25 × 10⁴ Hz at 344 ms^–1, the wavelength will be