For conversion of kPa and atm, the relationship is 1 atm = 101.325 kPa. So for 20000 kPa, the atm number is 20000/101.325=197.4 atm.
Answer:
Chlorine and bromine
Explanation:
The chlorine and bromine in the answer may in form of chlorine water solution or bromine water solution.
When halogen generally are tested with hexane, it gives a characteristic colour. The color of chlorine is yellowish green. But with a greenish tinge and the color of bromine reddish but with an orange tinge. Iodine gives violent colour.
B. The water and steam contain the same amount of energy.
Answer:
Option (C).
Explanation:
The lac operon may be defined as the group of genes that are involved in the lactose metabolism of the <em>E.coli</em> bacteria. François Jacob and Jacques Monod was the first scientists to explain the mechanism of Lac operon.
The production of large amount of beta-galactosidase by the cells, the lactose level will decrease. This causes the elevation of the glucose level in the E.coli bacteria.
Thus, the correct answer is option (c).