_______ is the process in which acids and bases react to form salts and water. (1) Neutralization (2) Electrolysis (3) Distillation (4) Hydrolysis

_______ is the process in which acids and bases react to form salts and water. (1) Neutralization (2) Electrolysis (3) Distillation (4) Hydrolysis
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(1) Neutralization Explanation: Neutralization is a process when acids and bases react to form salt and water.
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During neutralization reaction acids react with ........to form ........and water. (a) Metals ,Gas (b) Bases, Salt (c) Non-Metal , Salt (d)Acids ,Salts

Description : During neutralization reaction acids react with ........to form ........and water. (a) Metals ,Gas (b) Bases, Salt (c) Non-Metal , Salt (d)Acids ,Salts

Last Answer : (b) Bases, Salt

What is the process by which an atom gains electrons? w) Reduction x) Neutralization y) Electrolysis z) Oxidation

Description : What is the process by which an atom gains electrons? w) Reduction x) Neutralization y) Electrolysis z) Oxidation

Last Answer : ANSWER: W -- REDUCTION

Acids react with bases to form which of the following? Do they form: w) salt and acidic anhydride x) water and basic anhydride y) basic anhydride and salt z) salt and water

Description : Acids react with bases to form which of the following? Do they form: w) salt and acidic anhydride x) water and basic anhydride y) basic anhydride and salt z) salt and water

Last Answer : ANSWER: D -- SALT AND WATER

The hydrolysis of a fat using a solution of a strong hydroxide is called: w) neutralization x) esterification y) saponification z) condensation

Description : The hydrolysis of a fat using a solution of a strong hydroxide is called: w) neutralization x) esterification y) saponification z) condensation

Last Answer : ANSWER: Y -- SAPONIFICATION

Which of the following statements is false about primary amines? (a) They can be prepared by reduction of nitriles with LiAlH4. (b) They do not form salts with acids(c) They react with ice-cold nitrous acid to form nitrogen gas.(d) They are basic and soluble in water

Description : Which of the following statements is false about primary amines? (a) They can be prepared by reduction of nitriles with LiAlH4. (b) They do not form salts with acids (c) They react with ice-cold nitrous acid to form nitrogen gas. (d) They are basic and soluble in water

Last Answer : They do not form salts with acids

Most liquids that conduct electricity are solutions of acids, bases and ______. Salts Who is known as the father of modern chemistry?

Description : Most liquids that conduct electricity are solutions of acids, bases and ______. Salts Who is known as the father of modern chemistry?

Last Answer : Antoine Lavoisier

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used (A) As a lubrican(B) As a rust preventive(C) In hard water for cleaning of cloth(D) As a foam depressant in distillation column

Description : Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used (A) As a lubrican (B) As a rust preventive (C) In hard water for cleaning of cloth (D) As a foam depressant in distillation column

Last Answer : (A) As a lubricant

The manufacturing of iron from ironore involves the process of - (1) Oxidation (2) Reduction (3) Electrolysis (4) Fractional distillation

Description : The manufacturing of iron from ironore involves the process of - (1) Oxidation (2) Reduction (3) Electrolysis (4) Fractional distillation

Last Answer : (2) Reduction Explanation: Iron is extracted from iron ore in a huge container called a blast furnace. Iron ores such as hematite contain iron oxide. The oxygen must be removed from the iron oxide to leave the iron behind. Reactions in which oxygen is removed are called reduction reactions.

The manufacture of iron from iron ore involves the process of – (1) oxidation (2) reduction (3) fractional distillation (4) electrolysis

Description : The manufacture of iron from iron ore involves the process of – (1) oxidation (2) reduction (3) fractional distillation (4) electrolysis

Last Answer : (2) reduction Explanation: The manufacture of iron ore involves the process of reduction. Important ores of iron : Haematite, Magnetite.

The manufacturing of iron from ironore involves the process of (1) Oxidation (2) Reduction (3) Electrolysis (4) Fractional distillation

Description : The manufacturing of iron from ironore involves the process of (1) Oxidation (2) Reduction (3) Electrolysis (4) Fractional distillation

Last Answer : Reduction

The manufacture of iron from iron ore involves the process of (1) oxidation (2) reduction (3) fractional distillation (4) electrolysis

Description : The manufacture of iron from iron ore involves the process of (1) oxidation (2) reduction (3) fractional distillation (4) electrolysis

Last Answer : reduction

What is the value of heat of neutralization when strong acid and base react?

Description : What is the value of heat of neutralization when strong acid and base react?

Last Answer : Ans: The heat of neutralization is -57.32 kJ, when strong acid and base react.

Define the following : Electrochemistry , Electrolyte , Non-Electrolyte , Electrolytic Cell , Galvanic or Voltaic cell , Electrolysis , Hydrolysis & electroplating.

Description : Define the following : Electrochemistry , Electrolyte , Non-Electrolyte , Electrolytic Cell , Galvanic or Voltaic cell , Electrolysis , Hydrolysis & electroplating.

Last Answer : Ans : (a) Electrochemistry : Electrochemistry is the branch of chemistry which deals with such chemical reactions involving the inter-conversion of electrical energy and chemical energy. Example : Batteries , ... should be a solution of the coating metal, such as its metal nitrate or sulfate.

Which of the following is not a method of preparing oxygen? (1) Electrolysis of water (2) Fractional distillation of liquid air (3) Decomposition of potassium permanganate (4) Decomposition of manganese dioxide

Description : Which of the following is not a method of preparing oxygen? (1) Electrolysis of water (2) Fractional distillation of liquid air (3) Decomposition of potassium permanganate (4) Decomposition of manganese dioxide

Last Answer : Decomposition of manganese dioxide

Aluminium can be purified by (1) oxidation (2) distillation (3) electrolysis (4) ozonolysis

Description : Aluminium can be purified by (1) oxidation (2) distillation (3) electrolysis (4) ozonolysis

Last Answer : electrolysis

Water cannot be used to extinguish fire caused by electric current, because – (1) it may cause electrocution (2) it may cause hydrolysis (3) it may cause electrolysis (4) it may spoil the wiring

Description : Water cannot be used to extinguish fire caused by electric current, because – (1) it may cause electrocution (2) it may cause hydrolysis (3) it may cause electrolysis (4) it may spoil the wiring

Last Answer : (1) it may cause electrocution Explanation: Using water for putting out electric fires is risky, as the firemen can be electrocuted by the water jet. Water is a good conductor of ... jet directly into the hands of the person who is holding the waterhose, resulting in immediate electrocution

Water cannot be used to extinguish fire caused by electric current, because (1) it may cause electrocution (2) it may cause hydrolysis (3) it may cause electrolysis (4) it may spoil the wiring

Description : Water cannot be used to extinguish fire caused by electric current, because (1) it may cause electrocution (2) it may cause hydrolysis (3) it may cause electrolysis (4) it may spoil the wiring 

Last Answer : it may cause electrocution

An aqueous solution of CuSO4 is acidic in nature because the salt undergoes (a) dialysis (b) hydrolysis (c) electrolysis (d) photolysis

Description : An aqueous solution of CuSO4 is acidic in nature because the salt undergoes (a) dialysis (b) hydrolysis (c) electrolysis (d) photolysis

Last Answer : Ans:(b)

The metal which cannot be obtained by electrolysis of aqueous solution of its salts is

Description : The metal which cannot be obtained by electrolysis of aqueous solution of its salts is

Last Answer : The metal which cannot be obtained by electrolysis of aqueous solution of its salts is A. Ag B. Mg C. Cu D. Al

Ketones react with Grignard reagents to form an addition product which on hydrolysis gives a (a) Primary alcohol (b) Tertiary alcohol (c) Secondary alcohol (d) Ketal

Description : Ketones react with Grignard reagents to form an addition product which on hydrolysis gives a (a) Primary alcohol (b) Tertiary alcohol (c) Secondary alcohol (d) Ketal

Last Answer : Tertiary alcohol

_______ is a serological reaction that produces Little or no visible evidence of a reaction. a. Precipitation b. ELISA c. NeutraLization d. Agglutination

Description : _______ is a serological reaction that produces Little or no visible evidence of a reaction. a. Precipitation b. ELISA c. NeutraLization d. Agglutination

Last Answer : a. Precipitation

Aliphatic primary amines react with cold nitrous acid to form (a) Alcohols (b) Diazonium salts (c) Nitriles (d) Nitroalkanes

Description : Aliphatic primary amines react with cold nitrous acid to form (a) Alcohols (b) Diazonium salts (c) Nitriles (d) Nitroalkanes

Last Answer : Alcohols

Alkyl halides react with ammonia in the presence of base to form : (a) primary amines(b) nitrated alkyl halides(c) amides(d) quaternary ammonium salts

Description : Alkyl halides react with ammonia in the presence of base to form : (a) primary amines (b) nitrated alkyl halides (c) amides (d) quaternary ammonium salts

Last Answer : primary amines

Ethers react with cold concentrated H2SO4 to form (a) Oxonium salts (b) Alkenes (c) Alkoxides (d) Zwitterions

Description : Ethers react with cold concentrated H2SO4 to form (a) Oxonium salts (b) Alkenes (c) Alkoxides (d) Zwitterions

Last Answer : Oxonium salts

Which of the following compounds will react with methylmagnesium iodide followed by acid-hydrolysis to give ethyl alcohol? (a) Ethylene (b) Acetaldehyde (c) Formaldehyde (d) Acetone

Description : Which of the following compounds will react with methylmagnesium iodide followed by acid-hydrolysis to give ethyl alcohol? (a) Ethylene (b) Acetaldehyde (c) Formaldehyde (d) Acetone

Last Answer : Formaldehyde

Amphoteric substances: w) act as either bases or acids x) precipatate from aqueous solutions y) salt out of basic solutions z) form emulsions in oils

Description : Amphoteric substances: w) act as either bases or acids x) precipatate from aqueous solutions y) salt out of basic solutions z) form emulsions in oils

Last Answer : ANSWER: W -- ACT AS EITHER BASES OR ACIDS

0.257g of organic substance was heated with conc. sulphuric acid and then distilled with excess of strong alkali .the ammonia gas evolved was absorbed in 50ml of .1M HCl which required 23.2ml of c for neutralization at the end of the process. Determine the % of nitrogen in the compound ?

Description : 0.257g of organic substance was heated with conc. sulphuric acid and then distilled with excess of strong alkali .the ammonia gas evolved was absorbed in 50ml of .1M HCl which required 23.2ml of c for neutralization at the end of the process. Determine the % of nitrogen in the compound ?

Last Answer : A. Vol of 0 .1M HCl taken = 50ml Vol of .1MNaOH used for neutralization of unused acid=23.2ml Now, 23.2 ml of .1MNaOH =23.2ml of .1MHCl Vol of .1MHCl unused=23.2ml Vol of .1MHCl required ... NH3 solution contain nitrogen = 14*26.8/10*1000 Percentage of Nitrogen=14*26.8*100/10*1000*.257 =14.6%

How is the acidic , basic character of acids and bases varies with respect to neutral water . Show these variations on the PH scale.

Description : How is the acidic , basic character of acids and bases varies with respect to neutral water . Show these variations on the PH scale.

Last Answer : Ans: The PH of neutral water is 7 ,As the PH of solution deceases from 7 the acid characteristic of the solution increase so the acids having values 1 and 2 are strong acids and when the ... 7 the basic characteristic of the solution increase so the acids having values 11and 12 are strong bases.

The method used to obtain alcohol from molasses is called – (1) distillation (2) hydrolysis (3) fermentation (4) oxidation

Description : The method used to obtain alcohol from molasses is called – (1) distillation (2) hydrolysis (3) fermentation (4) oxidation

Last Answer : (3) fermentation Explanation: On industrial scale, ethanol can be prepared by the fermentation of molasses. Molasses is the mother liquor left after the crystallization of sugarcane juice. It is a dark colored viscous liquid. Molasses contains about 60% fermentable sugar.

The method used to obtain alcohol from molasses is called (1) distillation (2) hydrolysis (3) fermentation (4) oxidation

Description : The method used to obtain alcohol from molasses is called (1) distillation (2) hydrolysis (3) fermentation (4) oxidation

Last Answer : fermentation

Which of the following will replace hydrogen from acids to form salts? (1) S (2) Na (3) Ag (4) P

Description : Which of the following will replace hydrogen from acids to form salts? (1) S (2) Na (3) Ag (4) P

Last Answer : (2) Na Explanation: All acids contain hydrogen atom (s). Dilute acids react with some metals such as Sodium, Potassium, Calcium, iron, etc to form salts. Sodium replaces two hydrogen atoms from Sulfuric acid (H2SO4) to form a normal salt, Sodium Sulphate (Na2SO4).

Which of the following will replace hydrogen from acids to form salts ? (1) S (2) Na (3) Ag (4) P

Description : Which of the following will replace hydrogen from acids to form salts ? (1) S (2) Na (3) Ag (4) P

Last Answer : Na

Bile, an emulsifier liquid, is made by the liver and later stored within the gallbladder and released in the duodenum. Bile is composed of bile salts, cholesterol and bile pigments. Bile salts are detergents, amphiphilic molecules, i.e., molecules with a polar water-soluble portion and a non-polar fat-soluble portion. This feature allows bile salts to enclose fats inside water-soluble micelles in a process called emulsification for them to be in contact with intestinal lipases, enzymes that break fats into simpler fatty acids and glycerol. Digestion System - Image Diversity: gallbladder

Description : Bile, an emulsifier liquid, is made by the liver and later stored within the gallbladder and released in the duodenum. Bile is composed of bile salts, cholesterol and bile pigments. ... enzymes that break fats into simpler fatty acids and glycerol. Digestion System - Image Diversity: gallbladder

Last Answer : What is the adnexal organ of the digestive system in which bile is stored?

Acids generate: (1) Acids generate hydrogen ions. (2) Bases generate hydroxide ions. (3) Both are correct (4) Both are incorrect

Description : Acids generate: (1) Acids generate hydrogen ions. (2) Bases generate hydroxide ions. (3) Both are correct (4) Both are incorrect

Last Answer : (3) Both are correct Explanation: Acids, in presence of water, give hydrogen ions (H+). Similarly, bases generate hydroxide (OH-) ions in water.

Amines are generally classified as (a) Weak acids (b) Strong acids (c) Weak bases (d) Strong bases

Description : Amines are generally classified as (a) Weak acids (b) Strong acids (c) Weak bases (d) Strong bases

Last Answer : Weak bases

Ethers are (a) Lewis acids(b) Neutral(c) Lewis bases(d) Can not be predicted

Description : Ethers are (a) Lewis acids (b) Neutral (c) Lewis bases (d) Can not be predicted

Last Answer : Lewis bases

What is the word that describes a substance that reacts with both strong acids and strong bases?

Description : What is the word that describes a substance that reacts with both strong acids and strong bases?

Last Answer : ANSWER: AMPHOTERIC

Which of the following chemical reactions does not lead to formation of a salt? w) Reaction of salts with acids. x) The reaction of base anhydrides with acid anhydrides. y) Action of water on oxides of nonmetals. z) Reaction of acid with base.

Description : Which of the following chemical reactions does not lead to formation of a salt? w) Reaction of salts with acids. x) The reaction of base anhydrides with acid anhydrides. y) Action of water on oxides of nonmetals. z) Reaction of acid with base.

Last Answer : ANSWER: Y -- ACTION OF WATER ON OXIDES OF NONMETALS. (If water reacts with oxides of nonmetals, an acid is formed.)

Complete hydrolysis of proteins produces : (a) Ammonia and carbon dioxide (b) Urea and uric acid (c) A mixture of amino acids (d) Glycogen and a fatty acid

Description : Complete hydrolysis of proteins produces : (a) Ammonia and carbon dioxide (b) Urea and uric acid (c) A mixture of amino acids (d) Glycogen and a fatty acid

Last Answer : A mixture of amino acids

Upon hydrolysis, proteins give (a) Amino acids (b) Hydroxy acids (c) Fatty acids (d) Alcohols

Description : Upon hydrolysis, proteins give (a) Amino acids (b) Hydroxy acids (c) Fatty acids (d) Alcohols

Last Answer : Amino acids

What are soaps? (1) Salts of silicates (2) Ester of heavy fatty acids (3) Sodium or potassium salts of heavier fatty acids (4) Mixture of glycerol and alcohol

Description : What are soaps? (1) Salts of silicates (2) Ester of heavy fatty acids (3) Sodium or potassium salts of heavier fatty acids (4) Mixture of glycerol and alcohol

Last Answer : (3) Sodium or potassium salts of heavier fatty acids

Synthetic detergents are prepared from (1) potassium salts of higher fatty-acids (2) sodium salts of higher fat acids (3) hydrocarbons of petroleum (4) glycerides

Description : Synthetic detergents are prepared from (1) potassium salts of higher fatty-acids (2) sodium salts of higher fat acids (3) hydrocarbons of petroleum (4) glycerides

Last Answer : (3) hydrocarbons of petroleum Explanation: Synthetic detergents are prepared from hydrocarbons of petroleum. They are sodium salts of long chain benzene sulphonic acids or sodium salts of long chain ... are soluble in water. Therefore cleansing action of detergents remains unaffected in hard water.

Detergents are – (1) Sodium salts of fatty acids (2) Sodium salts of sulphonic acids (3) Sodium salt of benzoic acid (4) None of the above

Description : Detergents are – (1) Sodium salts of fatty acids (2) Sodium salts of sulphonic acids (3) Sodium salt of benzoic acid (4) None of the above

Last Answer : (2) Sodium salts of sulphonic acids Explanation: A detergent is a surfactant or a mixture of surfactants with "cleaning properties in dilute solutiops." These substances are usually alkylbenzenesulfonates, a ... detergent or dish detergent, as opposed to hand soap or other types of cleaning agents.

Which of the following statements is false about aniline? (a) It is a primary aromatic amine. (b) It is a weak base which forms salts with acids. (c) It liberates nitrogen on treatment with ice-cold nitrous acid. (d) It can be prepared by the reduction of nitrobenzene with tin and HCl

Description : Which of the following statements is false about aniline? (a) It is a primary aromatic amine. (b) It is a weak base which forms salts with acids. (c) It liberates nitrogen on treatment with ice-cold nitrous acid. (d) It can be prepared by the reduction of nitrobenzene with tin and HCl

Last Answer : It liberates nitrogen on treatment with ice-cold nitrous acid

Which of the following statements is not true about triacylglycerols? (a) When solids and semisolids at room temperature, they are called fats. (b) When liquids at room temperature, they are called oils. (c) When hydrolyzed, they produce glycerol and carboxylate salts. (d) Triacylglycerols with low melting points are composed of saturated fatty acids, causing them to be liquids at room temperature

Description : Which of the following statements is not true about triacylglycerols? (a) When solids and semisolids at room temperature, they are called fats. (b) When liquids at room temperature, they are ... low melting points are composed of saturated fatty acids, causing them to be liquids at room temperature

Last Answer : Triacylglycerols with low melting points are composed of saturated fatty acids, causing them to be liquids at room temperature

Soap is (a) a mixture of salts of fatty acids (b) a salt of glycerol (c) a mixture of ethers (d) a mixture of aromatic ethers

Description : Soap is (a) a mixture of salts of fatty acids (b) a salt of glycerol (c) a mixture of ethers (d) a mixture of aromatic ethers

Last Answer : a mixture of salts of fatty acids

. Sodium or potassium salts of fatty acids are called (a) Proteins (b) Terpenes (c) Carbohydrates (d) Soaps

Description : . Sodium or potassium salts of fatty acids are called (a) Proteins (b) Terpenes (c) Carbohydrates (d) Soaps

Last Answer : Soaps

Synthetic detergents are prepared from (1) potassium salts of higher fatty-acids (2) sodium salts of higher fattyacids (3) hydrocarbons of petroleum (4) glycerides

Description : Synthetic detergents are prepared from (1) potassium salts of higher fatty-acids (2) sodium salts of higher fattyacids (3) hydrocarbons of petroleum (4) glycerides

Last Answer : hydrocarbons of petroleum

Detergents are (1) Sodium salts of fatty acids (2) Sodium salts of sulphonic acids (3) Sodium salt of benzoic acid (4) None of the above

Description : Detergents are (1) Sodium salts of fatty acids (2) Sodium salts of sulphonic acids (3) Sodium salt of benzoic acid (4) None of the above

Last Answer : Sodium salts of sulphonic acids

What is the process of cancelling the effect on internal device capacitance in radio transmitters? A. Degaussing B. Neutralization C. Ionization D. Stabilization

Description : What is the process of cancelling the effect on internal device capacitance in radio transmitters? A. Degaussing B. Neutralization C. Ionization D. Stabilization

Last Answer : B. Neutralization