P-1 Metallurgy — Science STD 10 — Question

Are the lights in your house wired in series?

Write the functions of the following: Seminal vesicles.

A ray of light travelling in air is incident on a parallel-sided glass slab (or rectangular glass slab). Draw a ray-diagram indicating the change in its path in glass.

Define ‘stock’ and ‘scion’.

Name the reaction in which aluminium is used as a reducing agent.

Name an animal whose process of obtaining food is called phagocytosis.

In the extraction of aluminium, name the process of concentration of Bauxite.

Which functional groups are present in aldehyde and ketone?

Name the pigment which can absorb solar energy.

Three elements with filled outermost shell.