Dichloro diphenyl __________ is the full form of DDT (an insecticide).(A) Tetrachloroethane (B) Trichloroethane (C) Tetrachloromethane (D) Trichloromethane

Dichloro diphenyl __________ is the full form of DDT (an insecticide).
(A) Tetrachloroethane
(B) Trichloroethane
(C) Tetrachloromethane
(D) Trichloromethane
by

1 Answer

Answer :

(B) Trichloroethane
by

Related questions

DDT stands for (A) Diethyl-diphenyl-trichloromethane (B) Dichloro-diphenyl-trichloromethane (C) diphenyl-dichloro-trichloromethane (D) Dichloro-diphenyl-trichloroethane

Description : DDT stands for (A) Diethyl-diphenyl-trichloromethane (B) Dichloro-diphenyl-trichloromethane (C) diphenyl-dichloro-trichloromethane (D) Dichloro-diphenyl-trichloroethane

Last Answer : (D) Dichloro-diphenyl-trichloroethane

Pick out the wrong statement. (A) DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction (B) Chloral is obtained by the chlorination of ethyl alcohol (C) Insecticides acting on the insects through the respiratory system are called fumigants (D) Benzene hexachloride is not a contact insecticide

Description : Pick out the wrong statement. (A) DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction (B) Chloral ... through the respiratory system are called fumigants (D) Benzene hexachloride is not a contact insecticide

Last Answer : (D) Benzene hexachloride is not a contact insecticide

Now-a-days use of DDT as insecticide is banned because

Description : Now-a-days use of DDT as insecticide is banned because

Last Answer : Now-a-days use of DDT as insecticide is banned because A. It is less effective than other pesticides ... is vary high D. It has long residual effect.

Assertion : Agriculture output increased several times after introduction of DDT. Reason : DDT was the first insecticide used on a wide scale.

Description : Assertion : Agriculture output increased several times after introduction of DDT. Reason : DDT was the first insecticide used on a wide scale.

Last Answer : Assertion : Agriculture output increased several times after introduction of DDT. Reason : DDT was the ... but reason is wrong D. Both are wrong

Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxidant used in rubber? (A) Carbon (B) Alkylated diphenyl amine (C) Thiokol (D) Magnesium

Description : Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxidant used in rubber? (A) Carbon (B) Alkylated diphenyl amine (C) Thiokol (D) Magnesium

Last Answer : (B) Alkylated diphenyl amine

Benzoic acid and diphenyl ketone are both solids insoluble in water. A mixture of these compounds can be separated if we (a) add the mixture to a solution of NaOH in water, and filter. (b) add the mixture to a solution of HCl in water, and filter. (c) dissolve the mixture in benzene and boil off the benzene. (d) It is impossible to separate a mixture of two solids when both are insoluble in water.

Description : Benzoic acid and diphenyl ketone are both solids insoluble in water. A mixture of these compounds can be separated if we (a) add the mixture to a solution of NaOH in water, and filter. (b) add ... benzene. (d) It is impossible to separate a mixture of two solids when both are insoluble in water.

Last Answer : add the mixture to a solution of NaOH in water, and filter

Silicone is a polymer of – (1) Tetraalkyl silane (2) Silicon tetrachloride (3) Dialkyl dichloro silane (4) Silane

Description : Silicone is a polymer of – (1) Tetraalkyl silane (2) Silicon tetrachloride (3) Dialkyl dichloro silane (4) Silane

Last Answer : (3) Dialkyl dichloro silane Explanation: In order to manufacture silicones, alkyl-substituted chlorosilanes are used as starting material. Since dimethylsilane contains -OH group at the end of ... increases. However, the hydrolysis of alkyl trichlorosilane gives very complex cross linked polymer.

The Refrigerant 'FREON' is – (1) Calcium Tetra Fluoride (2) Difluoro Dichloro Methane (3) Fluorspar and Felspar (4) Hydrofluosilicic Acid

Description : The Refrigerant 'FREON' is – (1) Calcium Tetra Fluoride (2) Difluoro Dichloro Methane (3) Fluorspar and Felspar (4) Hydrofluosilicic Acid

Last Answer : (2) Difluoro Dichloro Methane Explanation: Dichlorodifluorornethane (R-12), is a colourless gas, and usually sold under the brand name Freon-12, is a chlorofluorocarbon halornethane (CFC), used as a ... 1994 clue to concerns about damage to the ozone layer. It is soluble in many organic solvents.

Silicone is a polymer of (1) Tetraalkyl silane (2) Silicon tetrachloride (3) Dialkyl dichloro silane (4) Silane

Description : Silicone is a polymer of (1) Tetraalkyl silane (2) Silicon tetrachloride (3) Dialkyl dichloro silane (4) Silane

Last Answer : Dialkyl dichloro silane

The Refrigerant ‘FREON' is (1) Calcium Tetra Fluoride (2) Difluoro Dichloro Methane (3) Fluorspar and Felspar (4) Hydrofluosilicic Acid

Description : The Refrigerant ‘FREON' is (1) Calcium Tetra Fluoride (2) Difluoro Dichloro Methane (3) Fluorspar and Felspar (4) Hydrofluosilicic Acid

Last Answer : Difluoro Dichloro Methane

Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. (A) 22 (B) 42 (C) 332 (D) 1050

Description : Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. (A) 22 (B) 42 (C) 332 (D) 1050

Last Answer : (B) 42

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. (A) 15-30 (B) 90-100 (C) 250-300 (D) < 0

Description : Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. (A) 15-30 (B) 90-100 (C) 250-300 (D) < 0

Last Answer : (A) 15-30

Bordeaux mixture is a/an (A) Fertiliser (B) Inorganic fungicide (C) Insecticide (D) Explosive

Description : Bordeaux mixture is a/an (A) Fertiliser (B) Inorganic fungicide (C) Insecticide (D) Explosive

Last Answer : (B) Inorganic fungicide

Which of the following is not an insecticide? (A) Hydrocyanic acid (B) Nicotine (C) Sodium fluoride (D) Hexane

Description : Which of the following is not an insecticide? (A) Hydrocyanic acid (B) Nicotine (C) Sodium fluoride (D) Hexane

Last Answer : (D) Hexane

Hydrocyanic acid (HCN) is used as an insecticide for (A) Controlling timber degradation by ants (B) Controlling poultry lice (C) Potato beetle (D) Citrus fruits

Description : Hydrocyanic acid (HCN) is used as an insecticide for (A) Controlling timber degradation by ants (B) Controlling poultry lice (C) Potato beetle (D) Citrus fruits

Last Answer : (D) Citrus fruits

Chemical formula of BHC, which is an insecticide is (A) C6H6Cl6 (B) C6Cl6 (C) C6H5Cl (D) C6H4Cl2

Description : Chemical formula of BHC, which is an insecticide is (A) C6H6Cl6 (B) C6Cl6 (C) C6H5Cl (D) C6H4Cl2

Last Answer : (B) C6Cl6

Spraying of DDT on crops causes pollution of __________ (1) Air & Soil (2) Crops & Air (3) Soil & Water (4) Air & Water

Description : Spraying of DDT on crops causes pollution of __________ (1) Air & Soil (2) Crops & Air (3) Soil & Water (4) Air & Water

Last Answer : Soil & Water

What is the full form of 'DDT' ? -How To ?

Description : What is the full form of 'DDT' ? -How To ?

Last Answer : The full form of 'DDT' is Dichlore-diphenyl-trichlore-ethane

What is the full form of DDT ?

Last Answer : The full form of DDT is Dichloro Diphenyl Trichloro-Ethane

Why are some spiders not affected by insecticide?

Description : Why are some spiders not affected by insecticide?

Last Answer : What are the active ingredients in the insecticide?

Home remedies for puppy insecticide poisoning

Description : My puppy is lethargic after being out in the yard today. Yesterday we had treated the yard with insecticide. Are there any home remedies I can use to help her. We cannot afford a vet. Any suggestions would be helpful.

Last Answer : Before administering any home remedy, immediately call your Poison Control Center. The information you should give them is which poison was ingested, when it was ingested, how much, and symptoms. I would ... equal parts of white vinegar and dish soap. Works wonders and is not dangerous to animals.

Which insecticide will stop bugs eating impatiens leaves?

Description : Which insecticide will stop bugs eating impatiens leaves?

Last Answer : Need Answer

can i mix insecticide and dacronil and apply in the same spraying

Description : can i mix insecticide and dacronil and apply in the same spraying

Last Answer : Need Answer

is pepper water good as an insecticide?

Description : is pepper water good as an insecticide?

Last Answer : My neighbor uses hot sauce in water.....until it tastes a little hot then she adds 1 teasp liquid soap and spray her flowers to keep the deer away. We never tried this on food products.

Why does my grapevine smell like strong insecticide?

Description : Why does my grapevine smell like strong insecticide?

Last Answer : Need Answer

how does one get rid of tomatoe worms without using insecticide?

Description : how does one get rid of tomatoe worms without using insecticide?

Last Answer : I always enjoyed going out daily and hunting them down. Hopefully you're not talking about acres of tomatos, just a few plants? I take a bucket of water with me and when I find them I pinch off ... if you don't get them before they lay their eggs. Check the underside of leaves too. Good hunting!

An organochlorine insecticide is

Description : An organochlorine insecticide is

Last Answer : An organochlorine insecticide is A. DDT/aldrin B. Malathion C. Tetraethyl pyrophophate D. Thiocarbamate

A persistent insecticide is

Description : A persistent insecticide is

Last Answer : A persistent insecticide is A. Organophosphates B. carbamates C. Thiocarbamates D. Chlorinated hydrocarbons.

Insecticide poisoning?

Description : Insecticide poisoning?

Last Answer : DefinitionInsecticide is a chemical that kills bugs. Insecticide poisoning occurs when someone swallows or breathes in this substance.This is for information only and not for use in the ... Industrial insecticides, often found in household garages and greenhouses, contain many dangerous substances,

Gypsum is added to the soil? (a) To increase the alkalinity (b) To decrease the acidity (c) To decrease the alkalinity (d) As an insecticide

Description : Gypsum is added to the soil? (a) To increase the alkalinity (b) To decrease the acidity (c) To decrease the alkalinity (d) As an insecticide

Last Answer : Ans:(b)

Quarantine regulation is concerned with (1) growing of better varieties of plant (2) prevention of entry of diseased organism (3) spraying of insecticide over diseased plants (4) identification of diseased organism

Description : Quarantine regulation is concerned with (1) growing of better varieties of plant (2) prevention of entry of diseased organism (3) spraying of insecticide over diseased plants (4) identification of diseased organism

Last Answer : (2) prevention of entry of diseased organism Explanation: Quarantine is compulsory isolation, typically to contain the spread of something considered dangerous, often but not always disease. Quarantine ... hold the relevant import permit, which can be obtained, from the relevant country Authority.

Penicillin is widely used as – (1) an antiseptic (2) a disinfectant (3) an antibiotic (4) an insecticide

Description : Penicillin is widely used as – (1) an antiseptic (2) a disinfectant (3) an antibiotic (4) an insecticide

Last Answer : (3) an antibiotic Explanation: Penicillin V is an antibiotic in the penicillin group of drugs. It fights bacteria in your body.

KMnO4 can be used as a/an - (1) insecticide (2) fertiliser (3) pesticide (4) disinfectant

Description : KMnO4 can be used as a/an - (1) insecticide (2) fertiliser (3) pesticide (4) disinfectant

Last Answer : (4) disinfectant Explanation: Potassium permanganate is an inorganic chemical compound with the formula KMnO4. As an oxidant, potassium permanganate can act as an antiseptic. For example, dilute solutions ... infections of the hands or feet. It is used extensively in the water treatment industry.

Malathion is a/an - (1) insecticide (2) fumigant (3) preservative (4) pesticide

Description : Malathion is a/an - (1) insecticide (2) fumigant (3) preservative (4) pesticide

Last Answer : (1) insecticide Explanation: Malathion is an organophosphate (OP) insecticide that has been registered for use in the United States since 1956. It is widely used in agriculture, residential ... health pest control programs such as mosquito eradication. It is of relatively low human toxicity.

KMnO4 can be used as – (1) Insecticide (2) Fertilizer (3) Pesticide (4) Disinfectant

Description : KMnO4 can be used as – (1) Insecticide (2) Fertilizer (3) Pesticide (4) Disinfectant

Last Answer : (4) Disinfectant Explanation: Potassium permanganate is an inorganic chemical compound with the formula KMnO4. As an oxidant, potassium permanganate can act as an antiseptic. For example, dilute ... of the hands or feet. Potassium permanganate is used extensively in the water treatment industry.

The bacterium Bacillus thuringiensis is widely used in contemporary biology as (a) insecticide (b) agent for production of dairy products (c) source of industrial enzyme (d) indicator of water pollution

Description : The bacterium Bacillus thuringiensis is widely used in contemporary biology as (a) insecticide (b) agent for production of dairy products (c) source of industrial enzyme (d) indicator of water pollution

Last Answer : (a) insecticide

The rotenone is (a) a natural herbicide (b) a natural insecticide (c) an insect hormone (d) a bioherbicide.

Description : The rotenone is (a) a natural herbicide (b) a natural insecticide (c) an insect hormone (d) a bioherbicide.

Last Answer : (b) a natural insecticide

is generally added to water when processing flowers in a retail floral shop. a. Herbicide b. Insecticide c. Biocide d. Algicide

Description : is generally added to water when processing flowers in a retail floral shop. a. Herbicide b. Insecticide c. Biocide d. Algicide

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Which one of the following is natural insecticide? (a) pyrethrum (b) nicotine (c) both (a) and (b) (d) none of these

Description : Which one of the following is natural insecticide? (a) pyrethrum (b) nicotine (c) both (a) and (b) (d) none of these

Last Answer : (c) both (a) and (b)

Which of the following is not an insecticide? a. Parathion b. Aldrin c. Triazines d. Baygon

Description : Which of the following is not an insecticide? a. Parathion b. Aldrin c. Triazines d. Baygon

Last Answer : c. Triazines

Central insecticide laboratory (CIL) is located at a. Faridabad b. Kanpur c. Lucknow d. Jaipur

Description : Central insecticide laboratory (CIL) is located at a. Faridabad b. Kanpur c. Lucknow d. Jaipur

Last Answer : a. Faridabad

Organophosphate group insecticide example is a. Endosulphan b. Sulpher c. Carbofuran d. All of these

Description : Organophosphate group insecticide example is a. Endosulphan b. Sulpher c. Carbofuran d. All of these

Last Answer : c. Carbofuran

Organophosphate group insecticide example is a. Endosulphan b. Sulpher c. Carbofuran d. All of these

Description : Organophosphate group insecticide example is a. Endosulphan b. Sulpher c. Carbofuran d. All of these

Last Answer : c. Carbofuran

Maximum percentage of insecticide is used in — crop. a. Brinjal b. Onion c. Cotton d. Sorghum

Description : Maximum percentage of insecticide is used in — crop. a. Brinjal b. Onion c. Cotton d. Sorghum

Last Answer : c. Cotton

. In india herbicides are registered un der which of the following Act a). Herbicide Registration Act b). Insecticide Act, 1968 c). Environment Policy, 2005 d). Indian Agrochemicals Registration Act

Description : . In india herbicides are registered un der which of the following Act a). Herbicide Registration Act b). Insecticide Act, 1968 c). Environment Policy, 2005 d). Indian Agrochemicals Registration Act

Last Answer : b). Insecticide Act, 1968

Insecticide/herbicide registration comes under which rule a). 1971 b). 1969 c). 1962 d). 1968

Description : Insecticide/herbicide registration comes under which rule a). 1971 b). 1969 c). 1962 d). 1968

Last Answer : a). 1971

Herbicide are registered under which insecticide registration act a).1968 b).1969 c).1964 d).1962

Description : Herbicide are registered under which insecticide registration act a).1968 b).1969 c).1964 d).1962

Last Answer : a).1968

A farmer, in order to save one spraying operations mix herbicides, insecticide, fungicide etc. at the time of spray, to achieve this feature add a). Compatibility agents b). Spreaders c). Activators d). Adhesive

Description : A farmer, in order to save one spraying operations mix herbicides, insecticide, fungicide etc. at the time of spray, to achieve this feature add a). Compatibility agents b). Spreaders c). Activators d). Adhesive

Last Answer : a). Compatibility agents

Which one of the following is natural insecticide a) Pyrethrum b) Nicotine c) both (a) and (b) d) None of these

Description : Which one of the following is natural insecticide a) Pyrethrum b) Nicotine c) both (a) and (b) d) None of these

Last Answer : c) both (a) and (b)

2, 4-D is used as (1) Weedicide (2) Vitamin (3) Fertilizer (4) Insecticide

Description : 2, 4-D is used as (1) Weedicide (2) Vitamin (3) Fertilizer (4) Insecticide

Last Answer : Weedicide