Description : Sulphuric acid saturated with SO3 is called (A) Concentrated H2SO4 (B) Sulphurous acid (C) Oleum (D) None of these
Last Answer : (C) Oleum
Description : Pick out the wrong statement. (A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% (B) The chemical formula of oleum is H2S2O7 , which is formed by saturating ... but technical sulphuric acid (D) Decomposition of sulphuric acid on heating does not start before its boiling
Last Answer : (D) Decomposition of sulphuric acid on heating does not start before its boiling
Description : Polythene (low or high density) containers are not corroded by (A) Sulphuric acid (10%) at room temperature (B) Nitric acid (95%) at room temperature (C) Sulphur trioxide at 60°C (D) Any of these
Last Answer : (A) Sulphuric acid (10%) at room temperature
Description : When concentrated sulphuric acid awas treated with potassium ferrocyanide, CO gas was evolved. By mistake, somebody used dilute sulphuric acid instead
Last Answer : When concentrated sulphuric acid awas treated with potassium ferrocyanide, CO gas was evolved. By mistake, somebody used ... C. `N_(2)` D. `CO_(2)`
Description : X and Y are anhydrides of sulphurous and sulphuric acid respectively. The hybridisation state and the sphape of X and Y are
Last Answer : X and Y are anhydrides of sulphurous and sulphuric acid respectively. The hybridisation state and the sphape of X ... )",planar",sp^(2)",planar "):}`
Description : Which one of the following acids is used in battery? (1) Hydrochloric acid (2) Hydrofluoric acid (3) Sulphuric acid (4) Sulphurous acid
Last Answer : (3) Sulphuric acid Explanation: Battery is a device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy. Possessing different chemical properties ... domestic acidic drain cleaner, electrolyte in lead-acid batteries and various cleaning agents.
Description : Which one of the following acids is used in battery ? (1) Hydrochloric acid (2) Hydrofluoric acid (3) Sulphuric acid (4) Sulphurous acid
Last Answer : Sulphuric acid
Description : Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the (A) Fertiliser manufacture (B) Car battery solution (C) Synthesis of oleum (D) Water treatment
Last Answer : (B) Car battery solution
Description : Pick out the wrong statement. (A) Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80% (B) Contact process of sulphuric acid manufacture produces pure acid of ... of 20% oleum (D) Contact process of sulphuric acid manufacture uses nickel as the catalyst
Last Answer : (D) Contact process of sulphuric acid manufacture uses nickel as the catalyst
Description : The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is (A) Dilute H2SO4 (B) Oleum (C) Ultraviolet light (D) None of these
Last Answer : (B) Oleum
Description : Dilute sulphuric acid is transported in __________ pipes. (A) Mild steel (B) Lead (C) Copper (D) Special alloys
Last Answer : (B) Lead
Description : Coke oven gas is stripped of its H2S and mercaptans content by (A) Absorption in wash oil (B) Adsorption on bog iron bed (C) Bubbling it through dilute sulphuric acid (D) Adsorption on silica gel
Last Answer : (B) Adsorption on bog iron bed
Description : Reaction of dilute sulphuric acid with phosphate rock produces (A) Phosphoric acid (B) Superphosphate (C) Triple superphosphate (D) Gypsum
Last Answer : (A) Phosphoric acid
Description : What happens, when SO2is passed through a solution of H2S in water? (A) Precipitation of sulphur takes place (B) H2SO3is formed (C) Oleum is formed (D) None of these
Last Answer : (A) Precipitation of sulphur takes place
Description : Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2 . Lead pipes are readily corroded by (A) Dilute HCI (B) Acetic acid (C) Concentrated H2SO4 (D) None of these
Last Answer : (B) Acetic acid
Description : Lead pipes are not safe for carrying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)2 . Lead pipes are readily corroded by (A) Dilute HCl (B) Acetic acid (C) Concentrated H2SO4 (D) None of these
Description : Phosphoric acid is produced in wet process from phosphate rock and (A) Dilute H2SO4 (B) Concentrated H2SO4 (C) Concentrated NHO3 (D) Concentrated HCl
Last Answer : (A) Dilute H2SO4
Description : Nickel made/clad equipments are suitable for handling (A) Ammonia (both aqueous & anhydrous) (B) Fruit juices, milk & its products and caustic soda solution (C) Nitric acid & hydrochloric acid (concentrated) (D) Sulphuric acid (concentrated)
Last Answer : (B) Fruit juices, milk & its products and caustic soda solution
Description : Containers made of high silicon cast iron (14% Si) are not suitable for the storage of (A) Acetic acid (B) Benzoic & boric acids (C) Phosphoric acid (95%) & sulphuric acid (95%) (D) Hydrochloric acid (concentrated)
Last Answer : (D) Hydrochloric acid (concentrated)
Description : Raschig ring made of porcelain cannot be used for treating concentrated (A) Hydrochloric acid (B) Nitric acid (C) Alkalis (D) Sulphuric acid
Last Answer : (C) Alkalis
Description : Write balanced chemical equations for the following reactions: (a) Dilute sulphuric acid reacts with aluminium powder. (b) Dilute hydrochloric acid reacts with sodium carbonate. (c) Carbon dioxide is passed through lime water. -Chemistry
Last Answer : i hope it helped you
Description : How do you prepare dilute sulphuric acid?
Last Answer : 20 ml 2 normal dilute sulphuric acid means?
Description : What do you observe when (a) dilute sulphuric acid is added to granulated zinc?
Last Answer : Zinc reacts with dilute sulphuric acid to produce effervescence and hydrogen gas is evolved.
Description : Which of the following acid is also known as vinegar? (a) Dilute hydrochloric acid (b) Dilute sulphuric acid (c) Dilute acetic acid (d) Dilute tartaric acid
Last Answer : (c) Dilute acetic acid
Description : ________ does not react with dilute hydrochloric acid but reacts with sulphuric acid and does not liberate hydrogen gas. a) iron b)copper c)gold d)zinc
Last Answer : b)copper
Description : Stainless steel is not corroded by (A) Hydrochloric acid (10%) (B) Nitric acid (10%) (C) Sulphuric acid (10%) (D) Saturated brine
Last Answer : (B) Nitric acid (10%)
Description : Concrete tank can be used to store (A) Alum (B) Ferrous sulphate (C) Sulphuric acid (D) Saturated brine
Last Answer : (D) Saturated brine
Description : The number of S-S bonds in sulphur trioxide trimer `(S_(3)O_(9))` is
Last Answer : The number of S-S bonds in sulphur trioxide trimer `(S_(3)O_(9))` is A. three B. two C. one D. zero
Description : Sulphur trioxide can be obtained by which of the following reactions :
Last Answer : Sulphur trioxide can be obtained by which of the following reactions : A. `S + H_(2)SO_(4) overset(Delta) ... `Fe_(2) (SO_(4))_(3) overset(Delta)rarr`
Description : The number of S-S bonds in sulphur trioxide trimer `(gamma-form)` is:
Last Answer : The number of S-S bonds in sulphur trioxide trimer `(gamma-form)` is: A. three B. two C. zero D. one
Last Answer : The number of S-S bonds in sulphur trioxide trimer `(S_(3)O_(9))` is A. Three B. Two C. One D. Zero
Description : Number of `S-O-S` bonds and hybridisation of sulphur in `gamma`-form of sulphur trioxide?
Last Answer : Number of `S-O-S` bonds and hybridisation of sulphur in `gamma`-form of sulphur trioxide? A. `3,sp^(2)` B. `2,sp^(2)` C. `3,sp^(3)` D. `0,sp^(3)`
Description : Sulphur trioxide is dissolved in heavy water to form a compound X. The hybridisation state of sulphur in X is
Last Answer : Sulphur trioxide is dissolved in heavy water to form a compound X. The hybridisation state of sulphur in X is A. `SP^ ... `SP^(3)` C. SP D. `dSP^(2)`
Description : The law of multiple proportions is illustrated by the two compounds [NCERT 1972] (A) Sodium chloride and sodium bromide (B) Ordinary water and heavy water (C) Caustic soda and caustic potash (D) Sulphur dioxide and sulphur trioxide
Last Answer : (D) Sulphur dioxide and sulphur trioxide
Description : The reaction of zinc with dilute and concentrated nitric acid, respectively, produce
Last Answer : The reaction of zinc with dilute and concentrated nitric acid, respectively, produce A. `NO_(2) and NO` B. `NO and ... N_(2)O` D. `N_(2)O and NO_(2)`
Description : Concentrated sulphuric acid is always diluted by adding which thing? -Do You Know?
Last Answer : answer:
Description : Phenol when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid gives:
Last Answer : Phenol when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid gives ... C. nitrobenzene D. 2,4,6-rinitrobenzene
Description : The compound formed on heating chlorobenzene with chloral in te presence of concentrated sulphuric acid is
Last Answer : The compound formed on heating chlorobenzene with chloral in te presence of concentrated sulphuric acid is ... B. DDT C. freon D. Hexachloroethane
Description : Concentrated sulphuric acid acts as
Last Answer : Concentrated sulphuric acid acts as A. dehydrating agent B. sulphonating agent C. reducing agent D. oxidising agent
Description : concentrated sulphuric acid on reaction with NaCl, NaBr and Nal produces HCl, bromine and iodine respectively. What order of oxidising ability of halo
Last Answer : concentrated sulphuric acid on reaction with NaCl, NaBr and Nal produces HCl, bromine and iodine respectively. What ... gt l_(2) gt H_(2)SO_(4)`
Description : Concentrated sulphuric acid connot be used to prepare HBr or HI from KBr of KI because it
Last Answer : Concentrated sulphuric acid connot be used to prepare HBr or HI from KBr of KI because it A. reacts too slowly ... to `KBrO_(3)` or KI to `KIO_(3)`
Description : Concentrated sulphuric acid is not
Last Answer : Concentrated sulphuric acid is not A. efflorescent B. hygroscopic C. oxidising agent D. sulphonating agent
Description : What observations are made in reaction of hexane with concentrated sulphuric acid?
Last Answer : Any chemical reaction occur.
Description : The most suitable vessel for storing concentrated sulphuric acid is – (1) Copper vessel (2) Aluminium vessel (3) Glass vessel (4) Earthen vessel
Last Answer : (3) Glass vessel Explanation: Concentrated Sulfuric acid can only be stored in glass, no metal lids, some plastic containers. It will attack anything organic, causing severe burns, the good thing is it ... but if it goes into contact with a metal it may generate hydrogen gas, an explosion risk.
Description : Concentrated sulphuric acid is always diluted by adding which thing?
Last Answer : Acid to water
Description : In lead acid accumulators, the container is filled with distilled water and concentrated sulphuric acid in the ratio of a. 1 : 2 b. 2 : 1 c. 3 : 1 d. 1 : 3
Last Answer : c. 3 : 1