Who is the first female cosmonaut?
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In which of the following processes, is vanadium pent oxide used as a catalyst? 1 Contact process 2 Haber’s process 3 Solvay process 4 None of these
The pink color of Bayer’s reagent is discharged when acetylene is passed through it. This is due to the formation of 1 Acetic acid 2 Ethylene 3 Water 4 Oxalic acid
Among the various allogropes of carbon 1 Diamond is the hardest, lamp black is the softest 2 Diamond is the hardest, coke is the softest 3 Coke is the hardest, graphite is the softest 4 Diamond is the hardest, graphite is the softest
Water is neither acidic nor alkaline because 1 It cannot accept or donate protons 2 It boils at a high temperature 3 It can dissociate into equal number of hydrogen ions 4 It cannot donate or accept electrons
When did the most luminous nova appear?
A man is travelling with the speed of 10m/min across the river to the opposite bank.The river water flows at the speed of 1m/s.Since the water flows at the speed higher than the boatsman, he would definitley reach the opposite river bank in a slant path.What is the length of the path he travelled?. The river is 10m wide. Please give me solution to tha above probelm. Thanks in advance
What is practical frequency. ? How create a frequency band?
When and by whom was the meteorological unit founded in bangalore science institute?
Which of the following materials are used for preparing blur-black ink? 1 Gallic acid 2 Tannic acid 3 Ferrous sulphate 4 All of these
Cooking oil can be converted into vegetables ghee by the process of 1 Oxidation 2 Hydrogenation 3 Distillation 4 Crystallization
When did india conduct three under ground nuclear tests?
In which of the following processes light energy is converted into chemical energy? 1 Respiration 2 Fermentation 3 Photosynthesis 4 Photoresiration