Metals and Non-Metals — Science STD 10 — Question

Name the neurons which carry impulses from receptor to brain.

Why is it wrong to treat a wasp sting with baking soda solution?

State any two uses of esters.

When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what the following are examples of:
The cells in your nasal passages which perceive the smell.

Why is sodium chloride required in our body?

State modern periodic law.

Name the commercial unit of electric energy.

Write any one difference in the electronic configurations of group- I and group-2 elements?

How does the electrical conductivity of copper alloys, brass and bronze, differ from that of pure copper?

Which parts of the body form the central nervous system?