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Dry ice (solid CO2) is an example of solid : Covalent , Molecular , Ionic , Metallic
Specific rate constant is equal to rate of reaction when concentration reactants are: Unity , Three , Four , Zero
Number of bound in N2 molecule: 3, 2, 1, -1
Largest number of molecules are in 3.6 gmH2O , 4.8 gm C2H5OH , 2.8 gm CO , 5.8 gm N2O5
Glycerine decomposes at its : Melting point , Boiling point , Freezing point , Critical point
Maximum no .of electrons in an orbital is : 2, 14, 10, 6
Gooch cruible is made of Clay , Asbestos , Porcelain , iron
Oxidation no of oxygen in OF2 is: Zero , -1/2, +2, -1
Molarity of pure water is 1, 18, 55.5, 6
Solvent extraction is a process : Exothermic , Endothermic , Equilibrium , Non-equilibrium
The PH of 10-3 mol dm-³ of an aqueous solution of H2SO4 : 3, 2.7, 2, 1.5
If ‘a’ and ‘b’ are zero for certain gas then gas is : Ideal , Real, Non-ideal , May be any diatomic gas
CsF has ionic character : 0.6, 0.8, 0.92, 1
Mass of one mole of electron is : 1.008 mg , 0.55 mg , 1.84 mg , 1.673 mg
66/29 CU--------à66/30Zn + X where X is : Proton , Position , Electron , Neutron
In endothermic reaction delta is taken as : Positive , Negative , Zero , May be any value
Escape out of gas molecule one by one though tiny hole is : Diffusion , Effusion , Osmosis , All of these
Which one of the following is Pseudo solid CAF2 , NaCl , Borex , Glass
Which of the hydrogen halide has the highest percentage ionic character : HI , HBr , HCl , HF
In combustion analysis H2O vapours are absorbed by : Mg(ClQ2) 2, Mg(ClO3) 2 , Mg(ClO4) 2 , 50% KOH
Water may boil at 120°C When external pressure is : 369 torr , 700 torr , 760 torr , 1489 torr
the maximum number of electons in a sub-shell is given by : 2 L +1 , 2 L -1 , 2(2 L +1) , 2(2 L-1)
Which one the following substance is used decolourizing agent : Silica Gel , Conc.H2SO4 , Animal charcoal , Asbestos
Cathode in NICAD cell is : Ag2O, NiO2 , Cd , ZN
The solution of gluscose is 10% w/v The volume in which 1 g mole of it is dissolved will be : 1 dm3 , 1.5 dm3 , 1.8 dm3 , 900 cm3
Which is not used as drying agent in vacuum desicator is : p2O5 , CaCl2 , Mg ClC , Silica Gel
When HCl is added to h2S aqueous solution its Ionization : Increase , Decreased , Remains Constant , First Increase the decreased
Which gas will diffuse more rapidly SO 2, NH2 , CO2 , HCl
The hybridization of carbon in C 2H2 is dSP³, SP , SP³ , SP2
The number of moles of CO2 which contains 8.0 g of oxygen 1, 0.75, 0.5, 0.25
The nature of positive rays depend upon Nature of electrode , Nature of residual gas , Nature of discharge tube , Pressure insid
Which is not a state function Energy , Heat , Temperature , Volume
Pressure remaining constant at which temperature the volume of gas of gas wil of agas will become twice what it is at 0°C 546 K , 273 K , 546°C , 200°C