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Topic :: Hydrogen
How many moles of sodium hydrogen phosphate can be prepared from 3 mol of sodium hydroxide and phosphoric acid?
2335Which one of the following is left when an hydrogen atom loses its electron? (a) An alpha particle (b) A neutron (c) A proton (d) A beta particle
1 4094In the preparation of vegetable Ghee, hydrogen is passed through oils, this process is called : (1) Esterification (2) Hydrogenation (3) De-hydrogenation (4) Solidification
2 9994. One mole of hydrogen gas burns in excess of oxygen to give 290 kJ of heat. What is the amount of heat produced when 4 g of hydrogen gas is burnt under the same conditions? (a) 145 kJ (b) 290 kJ (c) 580 kJ (d) 1160 kJ
2 9969Which of the following is not an isotope of hydrogen? 1 Protium 2 Yitrium 3 Deuterium 4 Tritium
2 13236Which of the following characteristics is not-shown by hydrogen? 1 It burns in air to form water 2 It supports combustion 3 It combines with almost all the metals forming hydrides 4 None of these
1 4140The hydrogenation of the vegetables oils takes place in the presence of finely divided 1 Aluminium 2 Charcoal 3 Silica 4 Nickel
1 5185Which of the following metals can displace hydrogen from dilute acids? 1 Zinc 2 Gold 3 Copper 4 Silver
1 10290
DNA binding by proteins with the helix-turn-helix (HTH) motif does not involve a) altered stacking of the DNA at the center of symmetry. b) hydrogen bonds, salt bridges, and van der Waals contacts. c) interactions with base pairs in the major groove of DNA. d) interactions with the sugar-phosphate backbone of DNA.
Describe about the bacterial hydrogenase activity in hydrogen production ?
How many moles of sodium hydrogen phosphate can be prepared from 3 mol of sodium hydroxide and phosphoric acid?
How Many grams of solid iodine are produced by the decomposition of 25.4g of hydrogen iodine gas?
Does oxygen and hydrogen map up water?
how hydrogen cooled alternator undergo maintanence ? that is hydrogen when come in contact with air can result into explosions .
what is biological hydrogen production? 0 7 Hai friends, Can someone guide me..Am a postgraduate(m.tech) in biotechnology and am thinking of doing pg diploma course through distance mode. are they worth doing? if so which is better pg diploma in bioinfo or pg diploma in Intellectual property rights..am awaiting ur suggestions 0 20 hey i am doin bsc biotech and i want to do research on stem cells.....plz tell me how to go about?????? 0 32 in the lcmv what type of effect onm the mhc class i molecule 0 18 WHAT IS MEAN BY GENETIC ALGORITHM 1 56 Can I get a working model on petro plants ? 0 76 if i m doing bsc in biotechnology now.. are there any chances that i can do b.tech nw?? 0 59 what is multicolour biotechnology? what are the applications of multicolour biotechnology? 4 275 will i get f1 visa to pursue masters in US, if i have many backlogs and more than 2 yrs gap in btn my graduation. 0 85 suppose if u have gone through any biotech industry, what are the environmental conditions that u r expecting in quality control? Shanta-Biotech 2 598 suppose if u have gone through any biotech industry, what are the environmental conditions that u r expecting? Shanta-Biotech 1 261 what is the process of chees preparation 1 240 how biodiesel helps in reducing co2 1 313 what is multi colour bio technology? 1 200 i m doing bsc in biotechnology n i m confuse what to do in future...whether i shall do msc in biotechnology or any otyer course?in future which field will have greater oppurtunity?
why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?
why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?
Can a Nascent Hydrogen be used for fuel cell without damaging the equipment and if so how good would it be compared to other type of hydrogen.
Why we use potassium hydrogen pthalate for determination of calibration in Total organic carbon
1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is
What is the use of hydrogen in automobile?
How can you separate hydrogen peroxide into hydrogen and oxygen?
Explain about hydrogen bonds antigen-antibody interaction?
