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Q. Which among the following compound of barium is used as radio contrast agent for X-ray imaging and other diagnostic procedures and also commonly called as Barium Food?

Q. The bacterium ‗Escherichia coli‘ is found mainly in:

Q. VIBGYOR (Violet Indigo Blue Green Yellow Orange Red) are the rainbow colors in which of the following order?

Q. Consider the following statements regarding Black Holes: 1. A black hole is a supergiant star that has collapsed into itself 2. The Black-hole singularity has zero radius Which of the above is / are correct statements?

Q. Who among the following is best known for his discovery and development of the first safe and effective polio vaccine.?

Q. Apart from the temporal bone, which among the following is considered as strongest bone in human body?

Q. Aluminum is getting popular worldwide today as a ―Green Metal‖. Which among the following properties of Aluminum makes it a Green Metal?

Q. The process of purifying water by spraying water on to a bed of stones where microorganism live so that the microorganisms feed on the pathogens in water and make the water free from harmful pathogens is called?

Q. Normal‖ rainfall is slightly acidic (and a pH of 5.6 has been assigned which might be somewhere near 5 ) because of the presence of _______?

Q. Which among the following methods can be used to remove the permanent hardness in water due to calcium or magnesium sulphates?