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(c) (i) Name the process used for the large scale manufacture of sulphuric acid.

(ii) Which property of sulphuric acid accounts for its use as a dehydrating agent?

(iii) Concentrated sulphuric acid is both an oxidizing agent and non-volatile acid. Write one equation each to illustrate the above mentioned properties of sulphuric acid.

Cationic part of chromyl chloride is

Describe the reactions that show

(i) Concentrated sulphuric acid is a non-volatile acid.

(ii) Concentrated sulphuric acid acts as a dehydrating agent.

(iii) Concentrated sulphuric acid is an oxidising agent.

(iv) Dilute sulphuric acid behaves as dibasic acid.

In a fuel cell, H2& O2 react to produce electricity. In the process, H2 gas is oxidized at the anode & O2 at the cathode . If 67.2 litre of H2 at STP react in 15 minutes, If the entire current is used for electrode deposition of Cu from Cu (II) solution, how many grams of Cu will be deposited?

1. $\text{H}{\text{NO}}_3+\text{NaOH}\to$


2. ${\text{CH}}_3\text{COOH}+\text{KOH}\to$


3. $\text{HCl}+{\text{NH}}_4\text{OH}\to$

In which of the following form is oil trapped inside the earth?

Ajay started business with a capital of Rs 2,25,000 on 1st April, 2011.During the year, he withdrew Rs 40,000 for his personal use and introduced Rs 7,000 as fresh capital. On 31st March 2012,his position of assets and liabilities stood as follows:

Cash in hand 18,500 Rs

Stock 20,000 Rs

Bills receivable 25,000 Rs

Debtors 4,00,000 Rs

Creditors 1,50,000 Rs

Bills Payable 3,000 Rs

You are required to prepare Statement of Profit or Loss for the year ended 31st March, 2012.

A Plant was purchased on 1st July 2000 at a cost of Rs. 3,00,000 and Rs. 50,000 were spent on its installation. The depreciation is written off at 15 % at per annum on the straight-line method. The plant was sold for Rs. 1,50,000 on October 1, 2002, and on the same date, a new Plant was installed at the cost of Rs 4,00,000 including purchasing value. The accounts are closed on December 31st every year.

Show the Machinery account and Provision for depreciation account for 3 years.

In the reaction, $C_2{H}_{5}OH\underset{{300}^{\circ }C}{\overset{Cu}{\to }}X$, the molecular formula of X is:

Match the following:

What would you observe by adding dilute hydrochloric acid to:
(i) Sodium bicarbonate kept in a test tube?
(ii) Zinc metal kept in a test tube?

From the given molar conductivities infinite dilution, calculate ${\lambda }_m^{\infty }$ for $N{H}_{4}OH$.

${\lambda }_m^{\infty }\text{for}Ba(OH{)}_2=457.6oh{m}^{-1}c{m}^{2}mo{l}^{-1}.$

${\lambda }_m^{\infty }\text{for}Ba\left(C{l}_2\right)=240.6oh{m}^{-1}c{m}^{2}mo{l}^{-1}.$

${\lambda }_m^{\infty }\text{for}N{H}_{4}Cl=128.8oh{m}^{-1}c{m}^{2}mo{l}^{-1}.$

Iron(II) oxide reacts with acid X to form ferrous sulphate and water. X is __.

A student added milk, white of an egg, common salt and sand separately to water kept in four separate beakers. He stirred the mixtures well and filtered each of them. On filtering, he obtained solid residue on the filter paper in case of :

Is carrot juice acidic or basic?

1. 4

The electronic configuration of the atom having maximum difference between first and second ionisation energies is

A sample of gaseous hydrocarbon occupying 1.12 litre at NTP, when completely burnt in air produced 2.2 g $C{O}_2$ and 1.8 g $H_{2}O$. Calculate the mass of hydrocarbon taken and the volume of $O_2$ at NTP required for its combustion.

Which is the most electronegative atom?

Which of these dose not reflect the periodicity of the elements

The cathode used to extract pure metal from the ore corundum by electrorefining is ________.

You can buy solid air fresheners in shops. Do you think these substances are ionic or covalent? Why?

how many structural isomers can be for C₅H₁₁Br

pl show with complete structure