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Draw additional resonance structure for each species.

Drying oil are so called because they :

""_("dry")Ca(OH)_(2) underset(H_(2)O)overset(Cl_(2))(rarr) A overset("auto-oxidation")(rarr) CaCl_(2) + B, Identity B.

Dry sulphurdioxide does not bleach dry flowers. Explain.

Numbers of lone pairs present in ozone molecule is :-

Dry icereacts with n-propyl magnesium iodide to give

Dry ice is used for making cold-baths in laboratories by mixing with volatile organic solvents. Identify the form of dry ice from the following .

Draw a sketch to show the splitting of d-orbitals in an octahedral crystal field. State for a d^(6) configuration, how the actual configuration of the split d-orbitals in an octahedral crystal field is decided by the relative values of Delta_(0) and P ?

Dry ice is an example of

Draw a schematic graph showing how the rate of a first order reaction changes with change in concentration of the reactant.

Draw a plot of In[R] versus t for a first order reaction. What is slope of the line equal to?

Draw a schematic diagram illustrating magnetic separation. Can we use this method of concentration when the impurity in the ore is of magnetic nature?

Dry ice and benzyl magnesium halide produces

Dry heating of calcium acetate gives :

Dry heating of calcium acetate gives

Dry heating of a mixture of calcium acetate and calcium formate gives

Dry distillation of .................. gives propanone and CaCO_3

Draw a neat labelled diagram of H_(2) - O_(2) fuel cell and write overall cell reaction.

Dry cell.

Drydistillation of amixture of calciumformate and calcium acetate gives.

Draw a neat labelled diagram of electrolytic cell used in the extraction of Aluminium by Hall - Heroult Process. Write the reactions take place at cathode and anode.

Dry Distillation of (CH_(3)COO)_(2)Ca gives

Dry distillation of calcium acetate gives

Draw a neat, labelled diagram of electrolytic cell for the extraction of aluminium.

Dry distillation of a mixture of calcium acetate and calcium formate can form

Dry bleaching is done by:

Dry bleaching agent is

Draw a neat diagram of sodium chloride structure and then describe it.

Dry and fused KHF_(2) on electrolysis gives

Dry air was passed through a solution containing 20g of a substance in 100-0g of water and then through pure water. The loss in mass of the solution was 2.945g and that of pure water was 0.059g. Calculate the molar mass of the substance.

Dry air was passed successively through a solution of 5 gm of a solute in 80 gm of water and then through pure ware. The loss in weight of solution was 2.50 gm and that of pure solvent 0.04 gm. What is the molecular weight of the solute

Draw a neat diagram of Leclanche cell and mark the parts.

Dry air was passed successively through a solution of 5 g of a solute in 180 g of water and then through pure water. The loss in weight of solution was 2.50 g and that of pure solvent 0.04 g The molecular weight of the solute is:

Draw a neat and labelled diagram of lead storage battery.

Dry air is passed through a solution containing 10 g of the solute in 90 g of water and then through pure water. The loss in weight of solution is 2.5 g and that of pure solvent is 0.05 g. Calculate the molecular weight of the solute.

Draw a neat diagram of blast furnance and describe and describe the reaction that occurs during extraction of cast iron in furnace at. (i) 600^(@)C (ii) 900^(@)C-1000^(@)C.

Dry air is passed through a solution and then through its solvent and finally through CaCl_(2). The ratio of weight loss in the solvent to the weight gain in CaCl_(2) gives

In the extraction of Aluminium by Hall- Herault process: Give the equation of overall cell reaction.

Draw a most stable conformation (N-C) bond in the following compound.

Drugs which produce insensibility to the vital functions bof nervous systen are known as

Drugs which produce sleep and reduce anxiety are :

Drugs which bind to the receptor site and inhibit its natural function, are called

Drugs which bind stronglyto the activesite of an enzymeand do not dependupon concentration of natural substrate are called as

Draw a graph of potential energy V/S reaction co - ordinates showing the effect of catalyst on activation energy (E_(a)) of a reaction.

Drugs which are to be released in a controlled manner in the body are enclosed in capsules made up of

Draw a graph of potential energy v/s reaction co-ordinate showing the effect of a catalyst on activation energy.

Drugswhich are to be released in a controlledmanner in the body are enclosed in capsulesmade of the following polymer

Drugs used for relieving pain are called

Answer all the questions each question carries one mark. Draw a graph of lambda_(m) (v)/(s) sqrtc for acetic acid (weak electrolyte) solution.

Drugs that blinfld to the receptor site and inhibit its natural function are called