Acids, Bases and Salts — Science STD 10 — Question

Draw a labelled ray diagram to show the formation of image in a convex mirror when the object is at infinity. Mark clearly the pole and focus of the mirror in the diagram.

Name the scientist who discovered that sunlight consists of seven colours.

Write down the formula which states the relation between potential difference, current and resistance.

What is wrong with the following chemical equation?
Mg + O → MgO
Correct and balance it.

Mention the name of movement which arose due to conflict of interest between local people in forests and industrialists?

Which one term in the following includes the others?
air, flora, fauna, environment, water, sunlight, soil.

Name two gases which are filled in filament type electric light bulbs.

Why are budding, fragmentation and regeneration, all considered to be asexual type of reproduction?

What is inverted image?

What is the function of enzymes in the human digestive system?