'മോണ്ട്സ് പ്രക്രിയ' ഏത് ലോഹത്തെ വേർതിരിക്കാനാണ് ഉപയോഗിക്കുന്നത്
പ്രോട്ടോണിൻറെ മാസ് എത്ര
ഇലക്ട്രോൺ ചാർജിന്റെ മൂല്യം കണ്ടുപിടിച്ച ശാസ്ത്രജ്ഞൻ ആര്
സമ്പർക്ക പ്രക്രിയയിൽ ഉപയോഗിക്കുന്ന ഉൽപ്രേരകം ഏത്
ഒരേ അറ്റോമിക നമ്പറും വിത്യസ്ത മാസ് നമ്പറുമുള്ള ആറ്റങ്ങൾക്ക് പറയുന്ന പേര് എന്ത്
മനുഷ്യ നിർമിത പെട്രോളായി ഉപയോഗിക്കുന്നത് എന്ത്
അവർത്തനപ്പട്ടികയിലെ 17 -כ൦ ഗ്രൂപ്പ് മൂലകങ്ങൾ ഏത് കുടുംബത്തിലാണ് ഉൾപ്പെടുന്നത്
Which one gives the most valid and recentexplanation for stomatal movements ?
Which of these is not an important component ofinitiation of parturition in humans ?
Which of the following enhances or induces fusionof protoplasts ?
Minerals known to be required in large amounts forplant growth include :-
A single compound of the structure :-
is obtainable from ozonolysis of which of the followingcyclic compounds ?
When initial concentration of a reactant is doubledin a reaction, its half-life period is not affected. Theorder of the reaction is :-
t1/2 = 0.693/K for first order t1/2 is independent of concentration
Given:-
Which of the given compounds can exhibittautomerism?
Which property of colloidal solution is independent of charge on the colloidal particles :-
Tyndall effect is an optical property, so it is independent of charge.
Which one is not equal to zero for an ideal solution:-
For an ideal solution ΔSmix >0
Which of these statements about [Co(CN)6]3 is true:-
[Co(CN)6]3
Co+3 = 3d6 4s0 4p0
in presence of strong field ligand, pairing ofelectrons occurs so in this complex no unpairedelectron is present and it is low spin complex.
Which of the following species contains equalnumber of σ- and Π- bonds :-
Biodegradable polymer which can be produced fromglycine and aminocaproic acid is :-
The enolic form of ethyl acetoacetate as below has:-
Given :-
The enthalpy of the hydrogenation of thesecompounds will be in the order as :-
The function of "Sodium pump" is a biological process operating in each and every cell of all animals. Which of the following biologically important ions is also a consituent of this pump : -
K+ ion is a constituent of sodium pump
The boiling point of 0.2 mol kg1 solution of X inwater is greater than equimolal solution of Y in water.Which one of the following statements is true in thiscase ?
The angular momentum of electron in 'd' orbital isequal to :-
Orbital angular momentum = √l(l+1).h
for d-orbittal l=2
so orbital angular momentum =√2(2+1)h =√6h
Which of the following statements is correct for areversible process in a state of equilibrium ?
ΔGº = -2.30RTlogKbecause at equilibrium DG =0
Because of lanthanoid contraction, which of thefollowing pairs of elements have nearly same atomicradii ? (Nubmers in the parenthesis are atomicnumbers).
Due to lanthanoid contractionatomic radii of Zr and Hf is almost similar.
Which of the following processes does not involveoxidation of iron ?
Fe0+5CO→[Fe0(CO)5]
No change in the oxidation state of iron
A mixture of gases contains H2 and O2 gases in theratio of 1 : 4 (w/w). What is the molar ratio of thetwo gases in the mixture ?
Cobalt (III) chloride forms several octahedralcomplexes with ammonia. Which of the followingwill not give test of chloride ions with silver nitrateat 25ºC ?