15mL of water and 10mL of sulphuric acid are to be mixed in a beaker.
(I) state the method that should be followed with reason.
(II) what is the process called?

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Solution

always acid shouldbe added to water.

water should not be added to acid as it leads to explosion.

adding acid to water is called dilution
usually the formula used is M1V1=M2V2

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Similar questions

Q. What volume of

98

% sulphuric acid (in ml) should be mixed with water to obtain

200 m L

15

% solution of sulphuric acid by weight? Given density of

H_{2} O = 1.00 g c m^{- 3}

, sulphuric acid

(98

= 1.88 g c m^{- 3}

and sulphuric acid

(15

= 1.12 g c m^{- 3}

Q. While mixing sulphuric acid and water which of the following precaution should be taken?

Give reasons for the following:
(i) In the contact process, sulphur trioxide formed is dissolved in 98% sulphuric acid and not in water.
(ii) When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
(iii) When diluting concentrated sulphuric acid, the acid should be added to water and not water to the acid.
(iv) When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
(v) Sulphuric acid can form two kinds of salts with sodium chloride.
(vi) When barium chloride is added to dilute sulphuric acid, a white precipitate is formed.
(vii) When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
(viii) Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
(ix) When concentrated sulphuric acid is added to sugar/glucose, a black mass is left behind.
(x) Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
(xi) When concentrated sulphuric acid is added to blue crystalline copper sulphate, it turns powdery white.
(xii) Concentrated sulphuric acid must be stored in airtight bottles.
(xiii) Cotton clothes get burnt with concentrated sulphuric acid.
(xiv) H₂SO₄ cannot be prepared by heating sodium sulphate with conc. HCl or HNO₃.

Q. In which of the following cases of mixing of a strong acid and a strong base each of 1 N concentration would the temperature increase of the solution be the same (assume heat evolved in neutralisation is only used up to increase the temperature of the solution)?

Q. There are three containers of equal capacity The ratio of sulphuric acid to water in the first container is 3 : 2 that in the second container is 7 : 3 and in the third container it is 11 : 4 If all the liquids are mixed together then the ratio of sulphuric acid to water in the mixture will be

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15mL of water and 10mL of sulphuric acid are to be mixed in a beaker. (I) state the method that should be followed with reason. (II) what is the process called?

always acid shouldbe added to water. water should not be added to acid as it leads to explosion. adding acid to water is called dilution usually the formula used is M1V1=M2V2

15mL of water and 10mL of sulphuric acid are to be mixed in a beaker.
(I) state the method that should be followed with reason.
(II) what is the process called?

always acid shouldbe added to water.

water should not be added to acid as it leads to explosion.

adding acid to water is called dilution
usually the formula used is M1V1=M2V2