Questions

Tin and Silver are malleable and good conductors of electricity. The other combinations have a non metal in them which are bad conductors.

A neuron or nerve cell is a cell that carries electrical impulses. Neurons are the basic units of the nervous system and its most important part is the brain. Every neuron is made of a cell body (also called a soma), dendrites and an axon. Dendrites and axons are nerve fibres.

The gap between two communicating neurons is termed Synaptic cleft.

High frequency sound attacks the tympanic memberane and makes it defective. 120 decibles is too high a pitch to be heard and therefore it impairs the hearing ability.

The boiling point of the compounds depend on the number of carbons in them. Hexane has 6, Pentane has 5 and Propane has 3 carbons. As Hexane is with 6 carbons it has highest boiling point and next Pentane with 5 and lowest Propane with 3. 

New salespersons needs:

a) He needs to know the information on company history, its policies, rules and regulations etc.

b) Details about the product- its features, usage , demand.

c) Systems and procedures as followed by the company. This may include the work timings, overimed, field work, work culture of that particular organisation etc.

d) Training on the basic ethics that need to be followed while selling a product.

e) He must know the basics of selling the different products of the company.