Benzene is a natural constituent of crude oil, and is one of the most elementary petrochemicals. Benzene is an aromatic hydrocarbon and the second [ n ]- annulene ([6]-annulene), a cyclic hydrocarbon with a continuous pi bond.ia hydrogenation, benzene and its derivatives convert to cyclohexane and derivatives. This reaction is achieved by the use of high pressures of hydrogen at high temperatures in the presence of a finely divided nickel, which serves as a catalyst. In the absence of the catalyst, benzene is impervious to hydrogen.
Hi, Basic salary should be not less than 40% of your gross, as per your salary structure it is correct. srividya.kothapalli. to calculate your basic, you need to know your annual gross amount 40 % of your gross is your basic. the rest comes under the allowances and benefits ,as per the company policy.
Basic pay for officers at pay grade O-3 varies with years of service. For lieutenants with fewer than two years of experience, the monthly basic pay is $3,660.60 as of January 2010.The maximum rate is $5,955.60, which is the rate as of 14 years of total service; after 14 years, if the lieutenant isn't promoted, he will no longer earn seniority salary increases.or example, a lieutenant serving aboard a submarine with six years of service earns an extra $595 per month, whereas an officer with four years of experience may earn $206 in aviation career incentive pay.