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3 ) Ammonia molecule has an electronegative nitrogen atom bonded to three hydrogen atoms. Differences in electronegativity between nitrogen and hydrogen makes each hydrogen atom acquires positive charge. Thus, in the molecule, there is one negative site and three positive sites so that the m..

Ammonia (NH 3 ) - Ammonia (NH 3 ) is an important compound of nitrogen and hydrogen. It is produced by the natural decomposition of animal and vegetable bodies. The death and decay of plants and animals cause the nitrogen compounds present in them to get decomposed, giving ammon..

Gaseous ammonia is a pungent, irritant gas often causing effects like skin irritation, eye irritation and irritation to throat. It can cause number of allergies. ..

During the formation of ammonium ion, nitrogen is the donor atom, while H + is the acceptor ion as shown below: ..

Find the average percentage raise of salary if a person receives 25% raise after 1 year of service and 15% raise after the second year of service. => 19.36% or 1.199% or 19.9% or 20%..

A travel agency maintains its airline service by the tree diagram. What is the probability of choosing Airplane-X to travel? => 1 or 1 3 or 1 2 or None of the above..

The seat numbers of all the passengers travelling in an aircraft were noted down and a few were selected through a lot. The selected passengers were requested to convey their opinion on the service of the airlines by filling up a questionnaire. What is the sampling method used in this cas..

On a given tennis court, the distance between the base line and the net is 10 m and the distance between the service line and the net is 5 m. The net is 0.9 m high. A player serves the ball directly above the base line. (Assume the ball travels in a straight line.) What is the minimum hei..

The hourly wage ( y ) of the workers of a manufacturing unit is fixed as y = 0.32 t + 9.62, where t denotes the number of years of service of the employee. According to this model, what is the number of years of service of an employee earning an hourly wage of $16.66? => 9 or 32..

Eddy works at an automobile servicing center. Each day he earns $27 and an additional of $3 for washing a car. His daily earnings is modeled by the equation, T = $27 + $3 n , where T = total earnings, n = number of cars. Which of the following graphs best suits the situation? => Graph 4 o..