Formalin is an aqueous solution of (a) formaldehyde (b) flourescein (c) formic acid (d) furfural

Formalin is an aqueous solution of (a) formaldehyde (b) flourescein (c) formic acid (d) furfural
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Formalin is (a) 10% solution of formaldehyde in water (b) 20% solution of formaldehyde in water (c) 40% solution of formaldehyde in water (d) 80% solution of formaldehyde in water

Description : Formalin is (a) 10% solution of formaldehyde in water (b) 20% solution of formaldehyde in water (c) 40% solution of formaldehyde in water (d) 80% solution of formaldehyde in water

Last Answer : 40% solution of formaldehyde in water

Moth balls contain: w) formalin x) chitin (pron: kite-en) y) formaldehyde z) naphthalene

Description : Moth balls contain: w) formalin x) chitin (pron: kite-en) y) formaldehyde z) naphthalene

Last Answer : ANSWER: Z -- NAPHTHALENE

Ozonolysis of benzene gives (a) Formic acid (b) Glyoxal (c) Formaldehyde (d) Glycine

Description : Ozonolysis of benzene gives (a) Formic acid (b) Glyoxal (c) Formaldehyde (d) Glycine

Last Answer : Glyoxal

Ethylene glycol undergoes oxidation with hot acidic KMnO4 to form : (a) Formic acid (b) Formaldehyde(c) Acetic acid(d) Acetaldehyde

Description : Ethylene glycol undergoes oxidation with hot acidic KMnO4 to form : (a) Formic acid (b) Formaldehyde (c) Acetic acid (d) Acetaldehyde

Last Answer : Formic acid

Which of the following is a planar molecule? (a) Formaldehyde (b) Acetone (c) Formic acid (d) Acetic acid

Description : Which of the following is a planar molecule? (a) Formaldehyde (b) Acetone (c) Formic acid (d) Acetic acid

Last Answer : Formaldehyde

When chloroform is heated with aqueous NaOH, it gives (a) Formic acid (b) Sodium formate (c) Acetic acid (d) Sodium acetate

Description : When chloroform is heated with aqueous NaOH, it gives (a) Formic acid (b) Sodium formate (c) Acetic acid (d) Sodium acetate

Last Answer : Sodium formate

Vinegar is a (a) 5% solution of acetic acid in water (b) 25% solution of acetic acid in water (c) 50% solution of acetic acid in water (d) 40% solution of formic acid in water

Description : Vinegar is a (a) 5% solution of acetic acid in water (b) 25% solution of acetic acid in water (c) 50% solution of acetic acid in water (d) 40% solution of formic acid in water

Last Answer : 5% solution of acetic acid in water

Treatment of pentoses with a concentrated mineral acid yields a cyclic aldehyde known as (A) Pentaldehyde (B) Cyclopental (C) Hexaldehyde (D) Furfural

Description : Treatment of pentoses with a concentrated mineral acid yields a cyclic aldehyde known as (A) Pentaldehyde (B) Cyclopental (C) Hexaldehyde (D) Furfural

Last Answer : Answer : D

Which of the following compounds will give a positive test with Fehling's solution? (a) Formaldehyde (b) Acetone (c) Ethyl acetate (d) Acetic acid

Description : Which of the following compounds will give a positive test with Fehling's solution? (a) Formaldehyde (b) Acetone (c) Ethyl acetate (d) Acetic acid

Last Answer : Formaldehyde

A single covalent bond (a) Is formed by the transfer of two electrons (b) Exists between hydrogen and chlorine in an aqueous solution, of hydrochloric acid (c) Is longer than a double bond (d) Does not require energy to disrupt it unlike an ionic bond

Description : A single covalent bond (a) Is formed by the transfer of two electrons (b) Exists between hydrogen and chlorine in an aqueous solution, of hydrochloric acid (c) Is longer than a double bond (d) Does not require energy to disrupt it unlike an ionic bond

Last Answer : Ans:(c)

An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change? (a) Baking powder (b) Lime (c) Ammonium hydroxide solution (d) Hydrochloric acid

Description : An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change? (a) Baking powder (b) Lime (c) Ammonium hydroxide solution (d) Hydrochloric acid

Last Answer : (d) Hydrochloric acid

.Which of the following statements is correct about an aqueous solution of an acid and of a base? (i) Higher the pH, stronger the acid (ii) Higher the pH, weaker the acid (iii) Lower the pH, stronger the base (iv) Lower the pH, weaker the base (a) (i) and (iii) (b) (ii) and (iii (c) (i) and (iv) (d) (ii) and (iv)

Description : .Which of the following statements is correct about an aqueous solution of an acid and of a base? (i) Higher the pH, stronger the acid (ii) Higher the pH, weaker the acid (iii) Lower the pH, stronger the base (iv) Lower the pH, ... (i) and (iii) (b) (ii) and (iii (c) (i) and (iv) (d) (ii) and (iv)

Last Answer : (d) (ii) and (iv)

The volume of `0.1 N` dibasic acid sufficient to neutralize 1g of a base that furnishes `0.04` mole of `OH^-` in aqueous solution is :

Description : The volume of `0.1 N` dibasic acid sufficient to neutralize 1g of a base that furnishes `0.04` mole of `OH^-` in aqueous solution is :

Last Answer : The volume of `0.1 N` dibasic acid sufficient to neutralize 1g of a base that furnishes `0.04` mole of `OH^-` ... 400 mL B. 600 mL C. 200 mL D. 80 mL

Clear organe solution of chromic anhydride in aqueous sulpuric acid turn blue-green on reaction with

Description : Clear organe solution of chromic anhydride in aqueous sulpuric acid turn blue-green on reaction with

Last Answer : Clear organe solution of chromic anhydride in aqueous sulpuric acid turn blue-green on reaction with A. ... 2-Methyl-2-propanol D. 2-Methyl-2-butanol

The aqueous solution of which acids is called Vinegar - (1) Citric acid (2) Hydrochloric acid (3) Acetic acid (4) Oxalic acid

Description : The aqueous solution of which acids is called Vinegar - (1) Citric acid (2) Hydrochloric acid (3) Acetic acid (4) Oxalic acid

Last Answer : (3) Acetic acid Explanation: Vinegar is an aqueous solution of acetic acid and trace chemicals that may include flavorings. Vinegar typically contains 5–20% acetic acid by volume.

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)

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

Which of the following forms the weakest acid in aqueous solution? w) hydrogen fluoride x) hydrogen chloride y) hydrogen bromide z) hydrogen iodide

Description : Which of the following forms the weakest acid in aqueous solution? w) hydrogen fluoride x) hydrogen chloride y) hydrogen bromide z) hydrogen iodide

Last Answer : ANSWER: W -- HYDROGEN FLUORIDE

Which of the following aqueous solutions would hav the lowest boiling point? Would it be a 1.0 molal solution of: w) Hydrochloric acid x) Sodium Hydroxide y) Acetic Acid, z) Magnesium Chloride

Description : Which of the following aqueous solutions would hav the lowest boiling point? Would it be a 1.0 molal solution of: w) Hydrochloric acid x) Sodium Hydroxide y) Acetic Acid, z) Magnesium Chloride

Last Answer : ANSWER: Y -- ACETIC ACID

During the electrolysis of a dilute aqueous solution of sulfuric acid, what happens to the sulfuric acid concentration?

Description : During the electrolysis of a dilute aqueous solution of sulfuric acid, what happens to the sulfuric acid concentration? 

Last Answer : ANSWER: IT REMAINS THE SAME

Which of the following is NOT a general property of hydroxide bases in aqueous solution? w) High solubility x) Bitter taste y) Ability to neutralize aqueous acid solutions z) Ability to change phenolphthalein from colorless to red

Description : Which of the following is NOT a general property of hydroxide bases in aqueous solution? w) High solubility x) Bitter taste y) Ability to neutralize aqueous acid solutions z) Ability to change phenolphthalein from colorless to red

Last Answer : ANSWER: W -- HIGH SOLUBILITY (The hydroxides of the alkali metals are soluble in water but all the other metal hydroxides are only moderately or sparingly soluble.)

The purple ring of Molisch reaction is due to (A) Furfural (B) Furfural + α Napthol (C) °C Napthol (D) Furfurol + H2SO4 + α -Naphthol

Description : The purple ring of Molisch reaction is due to (A) Furfural (B) Furfural + α Napthol (C) °C Napthol (D) Furfurol + H2SO4 + α -Naphthol

Last Answer : B

Which of the following is used as a solvent in deasphalting of petroleum products? (A) Furfural (B) Propane (C) Methyl ethyl ketone (D) Liquid sulphur dioxide

Description : Which of the following is used as a solvent in deasphalting of petroleum products? (A) Furfural (B) Propane (C) Methyl ethyl ketone (D) Liquid sulphur dioxide

Last Answer : (B) Propane

Solvent used in Edeleanu process is (A) Furfural (B) Propane (C) Liquid SO2 (D) Phenol

Description : Solvent used in Edeleanu process is (A) Furfural (B) Propane (C) Liquid SO2 (D) Phenol

Last Answer : (C) Liquid SO2

Solvent used in the deasphalting process is (A) Furfural (B) Phenol (C) Propane (D) Hexane

Description : Solvent used in the deasphalting process is (A) Furfural (B) Phenol (C) Propane (D) Hexane

Last Answer : (C) Propane

Solvent used in duo-sol extraction for lube oil upgradation is a mixture of (A) Propane & phenol-cresol mixture(B) Methyl ethyl ketone & glycol(C) Phenol & furfural(D) Propane & liquid sulphur dioxide

Description : Solvent used in duo-sol extraction for lube oil upgradation is a mixture of (A) Propane & phenol-cresol mixture (B) Methyl ethyl ketone & glycol (C) Phenol & furfural (D) Propane & liquid sulphur dioxide

Last Answer : (A) Propane & phenol-cresol mixture

Furfural solvent extraction is used for upgrading (by dissolving aromatics) (A) Naphtha (B) Lubricating oils (C) Wax (D) Cracking feedstock

Description : Furfural solvent extraction is used for upgrading (by dissolving aromatics) (A) Naphtha (B) Lubricating oils (C) Wax (D) Cracking feedstock

Last Answer : (B) Lubricating oils

The solvent used in Barisol dewaxing process is (A) Hexane (B) Furfural (C) Benzol and ethylene dichloride (D) Methyl ethyl ketone (MEK

Description : The solvent used in Barisol dewaxing process is (A) Hexane (B) Furfural (C) Benzol and ethylene dichloride (D) Methyl ethyl ketone (MEK

Last Answer : (C) Benzol and ethylene dichloride

Solvent used for dewaxing of petroleum products are (A) Furfural (B) Methyl ethyl ketone (MEK) (C) Propane (D) Both (B) & (C

Description : Solvent used for dewaxing of petroleum products are (A) Furfural (B) Methyl ethyl ketone (MEK) (C) Propane (D) Both (B) & (C

Last Answer : (C) Propane

__________ is used as an 'entrainer' for the separation of acetic acid￾water mixture by distillation. (A) Furfural (B) Benzol (C) Butyl acetate (D) Hexane

Description : __________ is used as an 'entrainer' for the separation of acetic acid￾water mixture by distillation. (A) Furfural (B) Benzol (C) Butyl acetate (D) Hexane

Last Answer : (C) Butyl acetate

Solvent used for extraction of oil is (A) Hexane (B) Methyl ethyl ketone (C) Furfural (D) None of these

Description : Solvent used for extraction of oil is (A) Hexane (B) Methyl ethyl ketone (C) Furfural (D) None of these

Last Answer : (A) Hexane

Tooth decay is caused by? A. Salt B. Sugar (Answer) C. Calcium D. Formalin

Description : Tooth decay is caused by? A. Salt B. Sugar (Answer) C. Calcium D. Formalin

Last Answer : B. Sugar (Answer)

Does formalin harm our body ?

Description : Does formalin harm our body ?

Last Answer : Formalin has been identified as highly toxic to human health due to its toxicity and volatile nature . On June 10 , 2011, the United States National Toxicology Program reported that formalin was directly involved in the development of human cancer.

What is the way to get rid of formalin from vegetables ?

Description : What is the way to get rid of formalin from vegetables ?

Last Answer : To remove formalin from vegetables, you should soak vegetables in vinegar for 2 hours. It can remove formalin from vegetables.

What is formalin ?

Last Answer : : A 40% aqueous solution of formaldehyde (methanol) is called formalin.

Who Discovered Formalin ?

Last Answer : Formalin was discovered by the German chemist August William von Hoffmann.

What are the ingredients in formalin ?

Last Answer : A 40% aqueous solution of formaldehyde or methanol is called formalin. Formalin is an effective disinfectant. About 5000 sec. When a mixture of methanol vapor and air is passed over a temperature-heated silver ... is run in water, 30-40% of its aqueous solution is formed which is known as formalin.

Does formalin contain harmful substances ?

Last Answer : We know that 40% of the aqueous solution of formaldehyde gas is called formalin. So the main component of formalin is formaldehyde gas.

What is formalin used for ?

Last Answer : Formalin is more commonly used in fruits and fish.

Formalin Food Recognition Way What ?

Description : formalin Given Food How Easily Recognize Goes ?

Last Answer : that Of food Nearby Flies Don't stay That's it Formalin Given Food , mind you Keep it Of formalin Presence If there is There Mosquitoes Asena.

WHAT IS THE ABBREVIATION FOR Neutral Buffered Formalin?

Description : WHAT IS THE ABBREVIATION FOR Neutral Buffered Formalin?

Last Answer : abbreviation for Neutral Buffered Formalin

When formaldehyde is treated with 50% NaOH solution, it undergoes (a) Cannizzaro reaction (b) Wurtz reaction (c) Aldol condensation (d) Hydrolysis

Description : When formaldehyde is treated with 50% NaOH solution, it undergoes (a) Cannizzaro reaction (b) Wurtz reaction (c) Aldol condensation (d) Hydrolysis

Last Answer : Cannizzaro reaction

The Latin word formica means ant. The name formic acid is derived from this Latin word because?

Description : The Latin word formica means ant. The name formic acid is derived from this Latin word because?

Last Answer : this acid was first obtained by the distillation of ants

Where is formic acid found?

Description : Where is formic acid found?

Last Answer : Ants and nettles

Other name of formic acid?

Description : Other name of formic acid?

Last Answer : Methenoic acid

Sting of ant can be cured by rubbing the affected area with soap because (a) it contains oxalic acid which neutralises the effect of formic acid (b) it contains aluminium hydroxide which neutralises the effect of formic acid (c) it contains sodium hydroxide which neutralises the effect of formic acid (d) none of these

Description : Sting of ant can be cured by rubbing the affected area with soap because (a) it contains oxalic acid which neutralises the effect of formic acid (b) it contains aluminium hydroxide which neutralises ... (c) it contains sodium hydroxide which neutralises the effect of formic acid (d) none of these

Last Answer : (c) it contains sodium hydroxide which neutralises the effect of formic acid

Name the acid present in Ant sting and its chemical formula. (a) Methanoic acid and HCOOH (b) Formic acid and HCOOH (c) Acetic acid and CH3COOH (d) Both a and b

Description : Name the acid present in Ant sting and its chemical formula. (a) Methanoic acid and HCOOH (b) Formic acid and HCOOH (c) Acetic acid and CH3COOH (d) Both a and b

Last Answer : (d) Both a and b

When a bee stings ,a paste of calamine is applied because (a) Bee sting consist of base. (b) To neutralized the effect of formic acid injected via bee sting (c) Both (A) and (B) (d) None

Description : When a bee stings ,a paste of calamine is applied because (a) Bee sting consist of base. (b) To neutralized the effect of formic acid injected via bee sting (c) Both (A) and (B) (d) None

Last Answer : (b) To neutralized the effect of formic acid injected via bee sting

An ant‘s sting can be treated with ............which will neutralise the effect of the chemical injected by the ant‘s sting into our skin. (a). Methanoic acid (b). formic acid (c). Baking soda (d). Caustic soda

Description : An ant‘s sting can be treated with ............which will neutralise the effect of the chemical injected by the ant‘s sting into our skin. (a). Methanoic acid (b). formic acid (c). Baking soda (d). Caustic soda

Last Answer : (c). Baking soda

What are the chemical signals of formic acid ?

Description : What are the chemical signals of formic acid ?

Last Answer : Chemical signaling of formic acid HCOOH ( ant bites)

Formic acid can be distinguish from acetic acid because formic acid

Description : Formic acid can be distinguish from acetic acid because formic acid

Last Answer : Formic acid can be distinguish from acetic acid because formic acid A. release `H_(2)` with sodium B. ... `AgNO_(3)` D. turns red litmus to blue