Recent questions tagged sulphuric acid

+1 vote

1 answer

Name another ore which on roasting gives sulphur dioxide.

asked Apr 4, 2019 in Class 10 by kratos

+1 vote

1 answer

Some properties of sulphuric acid are listed below. Choose the role played , by sulphuric acid as A, B, C or D

asked Apr 4, 2019 in Class 10 by kratos

+2 votes

1 answer

Write the equations for the laboratory preparation of: 1. Sodium sulphate (Na2SO4 ) using dil. H2SO4 ,

asked Apr 3, 2019 in Class 10 by kratos

+1 vote

1 answer

How will you distinguish between dilute hydrochloric acid and dilute sulphuric acid using lead nitrate solution ?

asked Apr 2, 2019 in Class 10 by kratos

+1 vote

1 answer

In the given equation identify the rate played by concentrated sulphuric acid * + 2H2SO4 ---> 3SO2 + 2H2O:

asked Apr 1, 2019 in Class 10 by kratos

+2 votes

1 answer

Which of the following can convert acidified Cr2O7 ^2– to green ? (A) SO2 / H2SO3 / H2SO4

asked Apr 1, 2019 in JEE by kratos

+2 votes

1 answer

State how you can obtain: (i) Sulphur dioxide from sulphur. (ii) Hydrogen sulphide from iron (II) sulphide.

asked Mar 31, 2019 in Class 10 by kratos

+3 votes

1 answer

By the addition of only one solution how would you distinguish, between dilute hydrochloric acid and dilute nitric acid?

asked Mar 30, 2019 in Class 10 by kratos

+3 votes

1 answer

Concentrated sulphuric acid is added to sugar crystals.

asked Mar 29, 2019 in Class 10 by kratos

+3 votes

1 answer

When blue crystals of copper (II) sulphate are added to concentrated sulphuric acid crystals turn white. Why?

asked Mar 28, 2019 in Class 10 by kratos

+3 votes

1 answer

State – Any two conditions for the conversion of sulphur dioxide to sulphur trioxide.

asked Mar 25, 2019 in Class 10 by kratos

+1 vote

1 answer

The gaseous byproduct of a process in plants is essential for another vital process that releases energy.

asked Mar 24, 2019 in Class 12 by kratos

+3 votes

1 answer

Which of the follwing elements give hydrogen when treated with dilute nitric acid? Zn,Fe,Cu,Mg.

asked Mar 23, 2019 in Class 11 by kratos

+1 vote

1 answer

Why concentrated sulphuric acid is called the “oil of vitriol” ?

asked Mar 19, 2019 in Class 12 by kratos

+1 vote

1 answer

(i) Laboratory preparation of nitric acid. (ii) Preparation of ethanol from monochloroethane and aq. sodium hydroxide.

asked Mar 19, 2019 in Class 10 by kratos

+3 votes

1 answer

Name the catalyst used in the contact process.

asked Mar 18, 2019 in Class 10 by kratos

+3 votes

1 answer

Sugar gets charred on addition of concentrated sulphuric acid

asked Mar 17, 2019 in Class 12 by kratos

+2 votes

1 answer

The catalyst used in the Contact Process is:

asked Mar 14, 2019 in JEE by kratos

+3 votes

1 answer

Name, from the list of substances given below, the substance which you would use to prepare each of the following salts named in Part (i) to (iv).

asked Mar 14, 2019 in Class 10 by kratos

+1 vote

1 answer

(i) Copy and complete the following table: Column 3 has the names of gases to be prepared

asked Mar 10, 2019 in Class 12 by kratos

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