Sulfur and its oxides - class-XII
Description: sulfur and its oxides | |
Number of Questions: 40 | |
Created by: Shankara Prabhu | |
Tags: acids and bases natural resources- air, water and land chemistry air nitrogen and sulfur |
What is the nature of normal rain water?
Acid rain may cause :
Which of the following is correct about bleaching action of $\mathrm{S}\mathrm{O} _{2}$?
Which of the following acids is used in car batteries?
The burning of fossil fuels is the main source of which of the following pollutants?
State whether the following statement is true or false:
The chemical formula
of king of chemicals, sulphuric acid is $H _2SO _4$.
Which statement describes a disadvantage of sulfur dioxide?
Sulphuric acid can not be used:
Sulphuric acid can be used as:
$SO _2$ is produced by:
Which of the following is the most important man-made source of sulfur dioxide?
The air pollution by $SO _2$ has which of the following effects on human beings?
Which of the following fuel additives may be used in marine engines to lower the emission of sulfur dioxide gases?
In humans, sulphur dioxide causes:
Forest fires are _____ sources of sulphur dioxide.
The _________ is used in refineries to produce sulfur as a byproduct.
Sulphur dioxide causes ______ in trees.
Which of the following is a natural source of sulphur dioxide?
______ is the main sink for suphur dioxide.
Sulphurous acid is a _________ acid.
The loss or reduction of chlorophyll in the leaves is termed as:
In the given equation $S + 2H _2SO _4 \rightarrow 3SO _2+ 2H _2O$: What is the role played by conc. $H _2SO _4$ ?
Which of the following can be used as dehydrating agents?
The solution which liberates sulphur dioxide gas, from sodium sulphite :
When sugar crystals are added to a hard glass test tube containing conc. sulphuric acid produce ____________.
$ CH _3C \equiv CH \quad \xrightarrow [(HgSO _4]{Dil. H _2SO _4} (B) \xrightarrow [ (NaOH) ]{CHCl _3} (C) $compound (C) can be used as :
Sugar on treating with conc.${H} {2}{SO} _{4}$ produces a black mass. In this ${H} _{2}{SO} _{4}$ acts as a _________.
A dilute mineral acid, which forms a white precipitate when treated with barium chloride solution is :
In cities like Bombay and Calcultta, the major air pollutants is/are:
List-I | List-ll |
---|---|
(A) $\mathrm{H} _{2}{S}\mathrm{O} _{4}$ | 1 ) Antichlor |
(B)Hypo | 2) Bleaches by reduction |
(C) $\mathrm{O} _{3}$ + $\mathrm{C} _{2}\mathrm{N} _{2}$ | 3) Anti freeze |
(D) moist $\mathrm{S}\mathrm{O} _{2}$ | 4) Rocket fuel |
5 ) Lead batteries |
Which of the following is correct match?
Sinks can _____ excess amount of sulphur dioxide.
Which of the following is not a sink of sulphur dioxide?
Sulfur can be removed from coal during burning by using:
Select the correct statement (S).
Which of the following acts as pickling agent?
$1000L$ of air at STP was dissolved in water and required $2.5\times { 10 }^{ -5 }$ moles of $KMn{ O } _{ 4 }$ for complete reaction of ${SO} _{2}$ at pollutants. Thus, ${SO} _{2}$ content in air is :
A solution of chromium oxide in concentrated sulphuric acid is used for cleaning glass in laboratories because it: