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Bleaching powder is made from 1 Sulphur dioxide and gypsum 2 Chlorine and charcoal 3 Soda ash and lilme 4 Lime and chlorine
2 14702The two elements that are frequently used for making transistors are 1 Boron and aluminium 2 Silicon and germanium 3 Iridium and tungsten 4 Niobium and columbium
2 20633Which of the following gases is not known as green house gas? 1 Carbon dioxide 2 Methane 3 Nitruous oxide 4 Hydrogen
4 25955Which of the following is not a neutral oxide? 1 Carbon monoxide 2 Sulphur dioxide 3 Nitric oxide 4 Water
1 8181Titanium is purified by 1 Zone refining 2 Electrolysis 3 Van Arkel method 4 Hydraulic washing
4 14152Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon
1 7079Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine
1 13663The gas usually filled in the eletric h\bulb is 1 Hydrogen 2 Oxygen 3 Nitrogen 4 Carbon dioxide
2 5684The gases used in different types of welding would include 1 Oxygen and hydrogen 2 Oxygen, acetylene and argon 3 Oxygen and acetylene 4 None of these
1 11498
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio
Explain how do clouds form?
What is notochord?
Explain how is nuclear fission different from nuclear fusion?
find 200/7*5.04=
Explain why does marble rarely contain fossils?
Suppose you are heterozygous for a mutant beta-thalassemia allele. If the frequency of beta-thalassemia is 1/1600 persons, what is the probabilty that your prospective spouse is heterozygous for a mutant beta-thalassemia allele?
How are hemodialyzers and endoscopes disinfected?
What is the mantle made of?
Why do humans have two intestines - small and big?
Why did you decide to study microbiology? What do you like about it?
Which country has no sunrise?
How many black holes exist?
What are the different hypotheses regarding the origin of the earth ?
Explain the tallness trait of a pea plant moving separately from the color trait an example of?
