Sulphuric Acid
Trending Questions
Q. What is nascent oxygen which is used in some reaction
Q. does copper reacts with dilute acids ?
Q. Answer the question below, relating your answers only to salts in the following list: Sodium chloride, anhydrous calcium chloride, copper sulphate−5−water?
(c) By what means, other than heating, could you dehydrate copper sulphate−5−water and obtain anhydrous copper sulphate?
(c) By what means, other than heating, could you dehydrate copper sulphate−5−water and obtain anhydrous copper sulphate?
Q. Which of the following sodium compounds is used for softening of hard water?
कठोर जल के मृदुकरण में निम्नलिखित में से सोडियम के किस यौगिक का उपयोग किया जाता है?
कठोर जल के मृदुकरण में निम्नलिखित में से सोडियम के किस यौगिक का उपयोग किया जाता है?
- NaCl
- Na2SO4
- NaOH
- Na2CO3
Q. Write down the steps of manufacturing nitric acid by Ostwald's process. [3 marks]
Q. When zinc metal is treated with a dilute solution of a strong acid such as H2SO4, salt (Y) is formed along with a gas (Y), which burns with a pop sound. Identify X and Y.
Q. Which of the following reagent reacts with ethanoic acid to liberate hydrogen gas?
- Na
- Zn
- Both A and B
- Cl
Q.
Sulphur trioxide gas is an important precursor to manufacture sulphuric acid. It is produced by the catalytic oxidation of SO2 gas. In the contact process, once we obtain SO3(g), Sulphuric acid is obtained by the hydrolysis of SO3(g). True or False?
True
False
Q. H2S(g) + Cl2 (g) → 2 HCl(g) + S(s)The reaction is interpreted as
- H2S is getting reduced and Cl2 is getting oxidised
- Both H2S and Cl2 are reduced
- H2S is getting oxidised and Cl2 is getting reduced
- Only H2S is oxidised
Q. The unbalanced chemical reactions given in List - I show missing reagent or condition (?) which are provided in List - II. Match List - I with List - II and select the correct answer using the code given below the lists:
List−IList−II(P) PbO2+H2SO4?→(1) NOPbSO4+O2+other product (Q) Na2S2O3+H2O?→(2) I2NaHSO4+other product (R) N2H4?→(3) WarmN2+other product (S) XeF2?→Xe(4) Cl2+other product
List−IList−II(P) PbO2+H2SO4?→(1) NOPbSO4+O2+other product (Q) Na2S2O3+H2O?→(2) I2NaHSO4+other product (R) N2H4?→(3) WarmN2+other product (S) XeF2?→Xe(4) Cl2+other product
- P:4, Q:2, R:3, S:1
- P:3, Q:2, R:1, S:4
- P:3, Q:4, R:2, S:1
- P:1, Q:4, R:2, S:3
Q. From the options given below, identify the correct statement(s) regarding the laboratory preparation of ammonia.
Reaction between NH4Cl and Ca(OH)2 gives metal salt. | |
Ammonia is collected by upward displacement of air. | |
CaO is used to add moisture in ammonia. | |
Ammonia is obtained in gaseous state. |
Q. Why cant we use liquid oxygen and liquid hydrogen in the required proportion to make water?