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In a certain code language, if chlorine is called fluorine, fluorine is called iodine, iodine is called oxygen, oxygen is called nitrogen, and nitrogen is called hydrogen, then what does a human breathe in and carried by red blood cells?
Consider the following properties of fluorine: 1. It is a member of the halogen family. 2. It is a greenish yellow diatomic gas. 3. Chlorine, iodine, bromine and Helium are members of the halogen family. 4. Even fireproof asbestos burns in the ambience of fluorine. Which of the above are correct?
With reference to two non-conventional energy sources called 'coalbed methane' and 'shale gas' consider the following statements: 1. Coalbed methane is the pure methane gas extracted from coal seams, while shale gas is a mixture of propane and butane only that can be extracted from fine-grained sedimentary rocks. 2. In India, abundant coalbed methane sources exist, but so far no shale gas sources have been found. Which of the statements given above is/are correct?
Which of the following statements are correct about the deposits of 'methane hydrate'? 1. Global warming might trigger the release of methane gas from these deposits. 2. Large deposits of 'methane hydrate' are found in Arctic Tundra and under the seafloor. 2. Methane in atmosphere oxidizes to carbon dioxide after a decade or two. Select the correct answer using the code given below:
Look at the chlorine residual data during chlorination of wastewater which consists of ammonia, organic matter, and microorganisms. Chlorine dosage (mg/L) 0.1 0.5 1.0 1.5 2.0 2.5 Chlorine residual (mg/L) 0.0 0.4 0.8 0.4 0.9 1.4 Calculate chlorine dose at the breakthrough point
An aqueous solution with chlorine 30 g/L and an organic compound with no chlorine at the rate 50 L/min were put into an extraction machine and produced aqueous solution with chlorine 5 g/L and organic compound with chlorine 10 g/L, what is the rate of aqueous solution?
Consider the following statements in respect of injecting chlorine between rapid sand filter and storage tank: 1. More contact time is available. 2. Chlorine demand is reduced. 3. NHCl2 is formed which is more effective than residual chlorine. 4. Break point chlorination takes place. Which of the above statements are correct?
Consider a set U of 23 different compounds in a Chemistry lab. There is a subset S of U of 9  compounds, each of which reacts with exactly 3 compounds of U. Consider the following statements:  I. Each compound in U\S reacts with an odd number of compounds. II. At least one compound in U\S reacts with an odd number of compounds. III. Each compound in U\S reacts with an even number of compounds. Which one of the above statements is ALWAYS TRUE?
P, Q, R, Sand T are five crops that Babu grows. T is fast growing and more water demanding than R which gives more yield than T. P gives more yield than R and grows faster than Q. Q is more water demanding than T but is second lowest yielder, S is the slowest growing and least water demanding of all crops but gives highest yield. R is more water demanding and grows faster than P. Select the crop or crops that has/ have as many as crops that are more water demanding and as many as crops that give less yield than it. 
There are eight cars A, B, C, D, E, F, G and H. Each car has a different price. Price of C is more than that of A and D. Price of at least two cars is less than A. Price of F is more than that of G and H. Price of D is less than G, but more than E. Price of B is less than H, but more than G. Price of at least four cars is more than that of C. Which of the following sequence is correct?