Impure Zinc is known as?

Impure Zinc is known as?
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Spelter
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Intrinsic Semi-conductor is also known as-----? A. Impure-Conductor B. Pure-Conductor (Answer) C. Simple Conductor D. None of these

Description : Intrinsic Semi-conductor is also known as-----? A. Impure-Conductor B. Pure-Conductor (Answer) C. Simple Conductor D. None of these

Last Answer : B. Pure-Conductor (Answer)

Denatured alcohol 1. Is an impure form of ethanol 2. Is unfit for drinking as it contains poisonous substances 3. Contains impurities 4. Is very unsafe to consume The correct answers are: (a) 1, 2 and 4 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 3

Description : Denatured alcohol 1. Is an impure form of ethanol 2. Is unfit for drinking as it contains poisonous substances 3. Contains impurities 4. Is very unsafe to consume The correct answers are: (a) 1, 2 and 4 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 3

Last Answer : Ans:(b)

'Chlorination' is 1. A process of converting chlorides into chlorine 2. Adding small amounts of chlorine to impure water 3. A chemical reaction in which chlorine is formed 4. An addition reaction of ethylene and chlorine The correct statements are: (a) 1 and 4 (b) 2 and 4 (c) 3 and 4 (d) 1 and 2

Description : 'Chlorination' is 1. A process of converting chlorides into chlorine 2. Adding small amounts of chlorine to impure water 3. A chemical reaction in which chlorine is formed 4. An addition reaction of ethylene and chlorine The correct statements are: (a) 1 and 4 (b) 2 and 4 (c) 3 and 4 (d) 1 and 2

Last Answer : Ans:(b)

Which is the black impure aluminium oxide mineral found in nature?

Description : Which is the black impure aluminium oxide mineral found in nature?

Last Answer : Emery

The only artery that carry impure blood from the heart?

Description : The only artery that carry impure blood from the heart?

Last Answer : Pulmonary artery

Why a mixture is an impure substance? -Chemistry 9th

Description : Why a mixture is an impure substance? -Chemistry 9th

Last Answer : A mixture is an impure substance. It consists of different elements and substances combined together physically in an unknown ratio. Mostly mixtures are heterogenous. Their constituents are not combined chemically ... freezing point. All these properties of a mixture make it an "Impure substance".

Why is respiration essential for an organism even though it is an impure metabolism ?

Description : Why is respiration essential for an organism even though it is an impure metabolism ?

Last Answer : An organism needs energy to survive. The process of respiration results in the release of food energy which is expended in various biological functions of the organism. Therefore, although respiration is a metabolic process, it is essential for the organism.

A 2.5 gm impure sample containing weak monoacidic base (Mol. wt. = 45) is dissolved in 100 ml water and titrated with 0.5 M HCI when of `((1)/(5))^(th

Description : A 2.5 gm impure sample containing weak monoacidic base (Mol. wt. = 45) is dissolved in 100 ml water and titrated with 0.5 M HCI when of `((1)/(5))^(th

Last Answer : A 2.5 gm impure sample containing weak monoacidic base (Mol. wt. = 45) is dissolved in 100 ml ... D. Weight percentage of base in given sample is 80%.

In which of the following the impure metal not purified by the oxidation of impurites

Description : In which of the following the impure metal not purified by the oxidation of impurites

Last Answer : In which of the following the impure metal not purified by the oxidation of impurites A. silver ... iron and cadmium D. bessemerisation of pig iron

Refining process of impure metals depends upon the differences in properties of the metal. Extraction of Al is usually carried out from its bauxite or

Description : Refining process of impure metals depends upon the differences in properties of the metal. Extraction of Al is usually carried out from its bauxite or

Last Answer : Refining process of impure metals depends upon the differences in properties of the metal. ... . leaching C. liquation D. magnetic seperation

Refining process of impure metals depends upon the differences in properties of the metal. Extraction of Al is usually carried out from its bauxite or

Description : Refining process of impure metals depends upon the differences in properties of the metal. Extraction of Al is usually carried out from its bauxite or

Last Answer : Refining process of impure metals depends upon the differences in properties of the metal. Extraction of Al is usually ... A D. I-D,II-A,III-C,IV-B

(xiv) Following equation represents a method of purification of nickel by `underset ("Impure")(Ni) + 4CO overset (320 K)rarr Ni(CO)_(4) overset(420 K)

Description : (xiv) Following equation represents a method of purification of nickel by `underset ("Impure")(Ni) + 4CO overset (320 K)rarr Ni(CO)_(4) overset(420 K)

Last Answer : (xiv) Following equation represents a method of purification of nickel by `underset ("Impure")(Ni) + ... Arkel B. Zone refining C. Mond D. Cupellation

Blister copper is refined by stirring moltem impure metal with green logs of wood because such a wood liberated hydrocarbon gases like `(CH_(4))`. The

Description : Blister copper is refined by stirring moltem impure metal with green logs of wood because such a wood liberated hydrocarbon gases like `(CH_(4))`. The

Last Answer : Blister copper is refined by stirring moltem impure metal with green logs of wood because such a wood ... poling, Y=CuO D. X=cupellation, Y=CuO

Spelter is impure form of

Description : Spelter is impure form of

Last Answer : Spelter is impure form of A. Zn B. Ag C. Cu D. Fe

The most impure form of iron is

Description : The most impure form of iron is

Last Answer : The most impure form of iron is A. Wrought iron B. mild steel C. hard steel D. Cast iron

Is bromine a compound impure substance mixture or a pure substance?

Description : Is bromine a compound impure substance mixture or a pure substance?

Last Answer : Need answer

What is the word meaning to make impure or pollute by contact with or addition of something?

Description : What is the word meaning to make impure or pollute by contact with or addition of something?

Last Answer : The word is contaminate.

Which among the following carries impure blood to human heart? (1) Aorta (2) Pulmonary vein (3) Pulmonary arteries (4) Vena Cava

Description : Which among the following carries impure blood to human heart? (1) Aorta (2) Pulmonary vein (3) Pulmonary arteries (4) Vena Cava

Last Answer : (3) Pulmonary arteries Explanation: A pulmonary artery is an artery in the pulmonary circulation that carries deoxygenated blood from the right side of the heart to the lungs.

Which one of the following is responsible for the working of New-ton's colour disc experiment? (1) Formation of pure spectra (2) Formation of impure spectra (3) Persistence of vision (4) Principle of complementary colour

Description : Which one of the following is responsible for the working of New-ton's colour disc experiment? (1) Formation of pure spectra (2) Formation of impure spectra (3) Persistence of vision (4) Principle of complementary colour

Last Answer : (3) Persistence of vision Explanation: A Newton Disc can be created by painting a disc with the seven different colours. A combination of red, green and blue in the circular disc will yield the same result. This is due to the phenomenon called persistence of vision.

The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. (A) 0.2 (B) 2 (C) 4 (D) 8

Description : The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. (A) 0.2 (B) 2 (C) 4 (D) 8

Last Answer : (C) 4

The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its functions(a) C - Vena cava - Takes blood from body parts to right auricle, pCO2 = 45 mm Hg (b) D - Dorsal aorta - Takes blood from heart to body parts, pO2 = 95 mm Hg (c) A - Pulmonary vein - Takes impure blood from body parts, pO2 = 60 mm Hg (d) B - Pulmonary artery - Takes blood from heart to lungs, pO2 = 90 mm Hg.

Description : The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its functions. (a) C - Vena cava - Takes blood from body parts to right auricle, pCO2 = 45 ... 60 mm Hg (d) B - Pulmonary artery - Takes blood from heart to lungs, pO2 = 90 mm Hg

Last Answer : (a) C - Vena cava - Takes blood from body parts to right auricle, pCO2 = 45 mm Hg

Pick out the wrong statement pertaining to nitric acid. (A) About 90% of nitric acid is manufactured by Ostwald's process (B) It is a strong mono basic acid which reacts with almost all the metals except noble metals (C) Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2 ) (D) Arc process of nitric acid manufacture is economical as compared to Ostwald's process

Description : Pick out the wrong statement pertaining to nitric acid. (A) About 90% of nitric acid is manufactured by Ostwald's process (B) It is a strong mono basic acid which reacts with almost all the ... (mainly NO2 ) (D) Arc process of nitric acid manufacture is economical as compared to Ostwald's process

Last Answer : (D) Arc process of nitric acid manufacture is economical as compared to Ostwald's process

A ______ is the one in which the player selects more than one strategy with fixed probabilities before playing the game. a. Mixed strategy b. Pure strategy c. Complete strategy d. Impure strategy

Description : A ______ is the one in which the player selects more than one strategy with fixed probabilities before playing the game. a. Mixed strategy b. Pure strategy c. Complete strategy d. Impure strategy

Last Answer : d. Impure strategy

A _______ provides a complete definition of how a player will play a game a. Mixed strategy b. Pure strategy c. Complete strategy d. Impure strategy

Description : A _______ provides a complete definition of how a player will play a game a. Mixed strategy b. Pure strategy c. Complete strategy d. Impure strategy

Last Answer : c. Complete strategy

Impure camphor is purified by (1) sublimation (2) fractional crystallisation (3) fractional distillation (4) steam distillation

Description : Impure camphor is purified by (1) sublimation (2) fractional crystallisation (3) fractional distillation (4) steam distillation

Last Answer : sublimation

Which one of the following is responsible for the working of Newton’s colour disc experiment ? (1) Formation of pure spectra (2) Formation of impure spectra (3) Persistence of vision (4) Principle of complementary colour

Description : Which one of the following is responsible for the working of Newton’s colour disc experiment ? (1) Formation of pure spectra (2) Formation of impure spectra (3) Persistence of vision (4) Principle of complementary colour

Last Answer : Persistence of vision