Inert gases are - (1) Miscible with water (2) Not stable (3) Chemically uncreative (4) Chemically very active

Inert gases are - (1) Miscible with water (2) Not stable (3) Chemically uncreative (4) Chemically very active
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(3) Chemically uncreative Explanation: An inert gas is a gas which does not undergo chemical reactions since their valence shells are filled, meaning they don't normally form chemical bonds with other elements. They are extremely stable; they rarely gain, lose or share electrons. The inert gases, also called noble gases, are argon, helium, neon, krypton, xenon and radon.
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Inert gases are (1) Miscible with water (2) Not stable (3) Chemically unreactive (4) Chemically very active

Description : Inert gases are (1) Miscible with water (2) Not stable (3) Chemically unreactive (4) Chemically very active

Last Answer : Chemically unreactive

A yellow metallic powder is burnt in a stream of fluorine to obtain a colourless gas X which is thermally stable and chemically inert. Its molecule ha

Description : A yellow metallic powder is burnt in a stream of fluorine to obtain a colourless gas X which is thermally stable and chemically inert. Its molecule ha

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Water is not effective in extinguishing a fire caused by petrol because (1) the flame is too hot for water to cool it down (2) water and petrol react chemically (3) water and petrol are miscible with each other (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn

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Last Answer : water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn

Saw dust can be rendered chemically inert by boiling it in water containing (A) Ferrous sulphate (B) Potassium chloride (C) Ammonia (D) Nitric acid

Description : Saw dust can be rendered chemically inert by boiling it in water containing (A) Ferrous sulphate (B) Potassium chloride (C) Ammonia (D) Nitric acid

Last Answer : Answer: Option A

Fugacity is a measure of the (A) Escaping tendencies of the same substance in different phases of a system (B) Relative volatility of a mixture of two miscible liquids (C) Behaviour of ideal gases (D) None of these

Description : Fugacity is a measure of the (A) Escaping tendencies of the same substance in different phases of a system (B) Relative volatility of a mixture of two miscible liquids (C) Behaviour of ideal gases (D) None of these

Last Answer : (A) Escaping tendencies of the same substance in different phases of a system

The number of electrons in the outer shell of the most stable or inert atoms is (1) 1 (2) 5 (3) 3 (4) 8

Description : The number of electrons in the outer shell of the most stable or inert atoms is (1) 1 (2) 5 (3) 3 (4) 8

Last Answer : (4) 8 Explanation: The innermost shell has a maximum of two electrons, but the next two electron shells can each have a maximum of eight electrons.

Chemically inert halide of sulphur is

Description : Chemically inert halide of sulphur is

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Low density polythene as compared to high density polythene is (A) Harder (B) Tougher (C) Chemically inert (D) More flexible

Description : Low density polythene as compared to high density polythene is (A) Harder (B) Tougher (C) Chemically inert (D) More flexible

Last Answer : (D) More flexible

According to IS : 382-1963, a good aggregate should be (A) Chemically inert (B) Sufficiently strong (C) Hard and durable (D) All the above

Description : According to IS : 382-1963, a good aggregate should be (A) Chemically inert (B) Sufficiently strong (C) Hard and durable (D) All the above

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Accordingly to IS: 383-1970, a good aggregate for concrete construction should be (a) Chemically inert (b) Sufficiently strong (c)Sufficiently hard and durable (d) All the above

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Last Answer : (d) All the above

This plant species gives off secretions called Tabasheer which are 97% silica. It is claimed that this is a cure for coughs, asthma and is also an aphrodisiac. It is also true that Tabasheer is chemically inert, but may catalyse some chemical reactions. Where is Tabasheer normally obtained from?

Description : This plant species gives off secretions called Tabasheer which are 97% silica. It is claimed that this is a cure for coughs, asthma and is also an aphrodisiac. It is also true that Tabasheer is chemically inert, but may catalyse some chemical reactions. Where is Tabasheer normally obtained from?

Last Answer : Bamboo.

Why inert gases are one atom ?

Description : Why inert gases are one atom ?

Last Answer : Inert gases are very stable. The last energy level of any atom of these gases is filled by electrons. Electrons do not exchange or share with any of its other elements, not even among themselves. As a result, no bonds are formed, so inert gases are one atom.

Which of the inert gases can form compounds? (1) Helium (2) Xenon (3) Krypton (4) Argon

Description : Which of the inert gases can form compounds? (1) Helium (2) Xenon (3) Krypton (4) Argon

Last Answer : (2) Xenon Explanation: Xenon compounds are the most numerous of the noble gas compounds that have been formed. Most of them have the xenon atom in the oxidation state of +2, +4, +6, or ... such as fluorine or oxygen. Some of these compounds have found use in chemical synthesis as oxidizing agents.

Which of the inert gases can form compounds? (1) Helium (2) Xenon (3) Krypton (4) Argon

Description : Which of the inert gases can form compounds? (1) Helium (2) Xenon (3) Krypton (4) Argon

Last Answer : Xenon

Prompted by the flop that is "Batman v Superman: Dawn of AIDS", which superhero has the lamest/laziest/most uncreative name ever?

Description : Prompted by the flop that is "Batman v Superman: Dawn of AIDS", which superhero has the lamest/laziest/most uncreative name ever?

Last Answer : You’re looking for….......Bicycle Repair Man

Please Help Me! I'm uncreative and need help with my chemistry project!

Description : Please Help Me! I'm uncreative and need help with my chemistry project!

Last Answer : aanuszek1, let’s have some more rules to choose from. Creative types might have some great ideas, but it doesn’t make sense asking them also to come up with the list of rules. Bunsen, just in case spelling counts.

First stable compound of inert gas was prepared by

Description : First stable compound of inert gas was prepared by

Last Answer : First stable compound of inert gas was prepared by A. Rayleigh and Ramsay B. Bartlett C. Frankland and Lockyer D. Cavendish

If an element has two electrons in the first shell and seven in the second shell, the element is said to be what? a. Unstable b. Unreactive c. Stable d. Inert

Description : If an element has two electrons in the first shell and seven in the second shell, the element is said to be what? a. Unstable b. Unreactive c. Stable d. Inert

Last Answer : a. Unstable

Radon differs from other naturally radioactive elements in which one of the following ways. Is it because radon w) is extremely radioactive x) decays into the element radium y) is a noble gas z) is as chemically active as fluorine

Description : Radon differs from other naturally radioactive elements in which one of the following ways. Is it because radon w) is extremely radioactive x) decays into the element radium y) is a noble gas z) is as chemically active as fluorine

Last Answer : ANSWER: Y -- IS A NOBLE GAS

The inert gases are in water?

Description : The inert gases are in water?

Last Answer : sparingly soluble

Give reason: Alkanes are chemically stable.

Description : Give reason: Alkanes are chemically stable.

Last Answer : In alkanes all carbon atoms are bonded to the maximum number of hydrogen atoms. They are made up single bond between carbon atoms and are saturated with hydrogen in every bond is used. Hence they are chemically stable.

26. DNA is a better genetic material than RNA because ... e) DNA is chemically less reactive. f) DNA is structurally more stable. g) DNA is non-catalytic and less easily degradable. h) All of the above.

Description : 26. DNA is a better genetic material than RNA because ... e) DNA is chemically less reactive. f) DNA is structurally more stable. g) DNA is non-catalytic and less easily degradable. h) All of the above.

Last Answer : h) All of the above.

6. DNA is a better genetic material than RNA because ... a) DNA is chemically less reactive. b) DNA is structurally more stable. c) DNA is non-catalytic and less easily degradable. d) All of the above.

Description : 6. DNA is a better genetic material than RNA because ... a) DNA is chemically less reactive. b) DNA is structurally more stable. c) DNA is non-catalytic and less easily degradable. d) All of the above.

Last Answer : d) All of the above.

Who is the discoverer of inert gases ?

Description : Who is the discoverer of inert gases ?

Last Answer : Helium - French astronomer Pierre Johnson Neon - British physicists Sir William Ramsay and Maurice W. Travers Argon-Lord Rayleigh and Sir William Ramsay Krypton- British physicists Sir William Ramsay and ... physicist E. Dorn Oganesan - Russian scientist and discoverer Yuri Oganesian.

Which gases are inert and why ?

Description : Which gases are inert and why ?

Last Answer : Inert gas-1. Argon II . Helium 3 . Neon 4 . Krypton 5 . Xenon 7 . Radon They are inert gases because they do not react with any other material.

What are Inert gases and their use?

Description : What are Inert gases and their use?

Last Answer : An inert gas is a gas that is generally non reactive with other substances. The term "inert" means non reactive. Gases are being chemically inert if their atoms don't combine with other atoms in ... process. Argon is used for filling electric bulbs. Xenon and Krypton are also used in light bulbs.

A radioactive element X decays to give two inert gases X is

Description : A radioactive element X decays to give two inert gases X is

Last Answer : A radioactive element X decays to give two inert gases X is A. `._(92)^(238)U` B. `._(88)^(226)Ra` C. `._(6)^(14)C` D. `._(8)^(18)O`

Electronegativity of inert gases is

Description : Electronegativity of inert gases is

Last Answer : Electronegativity of inert gases is A. low B. high C. zero D. abnormally high

The order of abunndance of inert gases in the atmosphere is

Description : The order of abunndance of inert gases in the atmosphere is

Last Answer : The order of abunndance of inert gases in the atmosphere is A. `Ar lt Ne lt Xe` B. `Ar gt Ne gt Xe` C. `Ar gt Xe gt Ne` D. `Ne gt Ar gt Xe`

The value of ionisation energy for inert gases is ________.

Description : The value of ionisation energy for inert gases is ________.

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The last member of the family of inert gases is

Description : The last member of the family of inert gases is

Last Answer : The last member of the family of inert gases is A. Argon B. Radon C. Xenon D. Neon

Give reasons : a. Alkali metals have low ionization energies.  b. Inert gases have exceptionally high ionization energies.

Description : Give reasons : a. Alkali metals have low ionization energies.  b. Inert gases have exceptionally high ionization energies.

Last Answer : Give reasons : a. Alkali metals have low ionization energies. b. Inert gases have ... d. Noble gases possess relatively large atomic size.

The electron affinity for the inert gases is (a) Zero (b) High (c) Negative (d) Positive

Description : The electron affinity for the inert gases is (a) Zero (b) High (c) Negative (d) Positive

Last Answer : Ans:(a)

The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving force. and, Kp= M.T.C. for diffusion of a gas through a stagnant inert gas with pressure as driving force.) (A) Kc = Kp = Km (B) Kc = Kp /RT = Km . RT/P (C) Kc = Kp . RT = Km . RT/p (D) None of these

Description : The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving ... (C) Kc = Kp . RT = Km . RT/p (D) None of these

Last Answer : (C) Kc = Kp . RT = Km . RT/p

Give example of noble gases or inert elements.

Description : Give example of noble gases or inert elements.

Last Answer : Helium, Neon, Argon, Xenon, Krypton etc.

Why do inert gases have zero valency?

Description : Why do inert gases have zero valency?

Last Answer : Inert gases have zero valency because their octet is complete.

Give reason: Elements of group 18 or group zero are called inert or noble gases.

Description : Give reason: Elements of group 18 or group zero are called inert or noble gases.

Last Answer : Elements of group 18 do not form chemical bond on their own with other elements as they have completed shells of electrons. They have no tendency to gain or lose electrons. Hence they are most un-reactive

Steam traps are provided in steam carrying pipelines to (A) Condense steam (B) Release excess steam pressure by bleeding steam (C) Remove condensate and inert gases (D) None of these

Description : Steam traps are provided in steam carrying pipelines to (A) Condense steam (B) Release excess steam pressure by bleeding steam (C) Remove condensate and inert gases (D) None of these

Last Answer : (C) Remove condensate and inert gases

In an ammonia plant, the purge off is essential to (A) Maintain inert gas concentration within a limit (B) Remove excess poisonous gases (C) Maintain H2 : N2 ratio at 3 :1 (D) Remove uncondensed ammonia vapour

Description : In an ammonia plant, the purge off is essential to (A) Maintain inert gas concentration within a limit (B) Remove excess poisonous gases (C) Maintain H2 : N2 ratio at 3 :1 (D) Remove uncondensed ammonia vapour

Last Answer : (C) Maintain H2 : N2 ratio at 3 :1

The elements with filled electron shells are called _______ a. Inert Elements. b. Active Elements. c. Radioactive Elements. d. Bonded Electrons.

Description : The elements with filled electron shells are called _______ a. Inert Elements. b. Active Elements. c. Radioactive Elements. d. Bonded Electrons.

Last Answer : d. Bonded Electrons.

Helium is added to the oxygen supply of deep sea divers because it is (1) less poisonous than nitrogen (2) Lighter than nitrogen (3) Readily miscible with oxygen (4) less soluble in blood than nitrogen at high pressure

Description : Helium is added to the oxygen supply of deep sea divers because it is (1) less poisonous than nitrogen (2) Lighter than nitrogen (3) Readily miscible with oxygen (4) less soluble in blood than nitrogen at high pressure

Last Answer : less soluble in blood than nitrogen at high pressure

Why are noble gases chemically unreactive?

Description : Why are noble gases chemically unreactive?

Last Answer : Noble gases do not form chemical bond on their own with other elements as they have completed shells of electrons

Which of the following is the most important chemically-active fluid involved in the formation of rocks? w) hydrochloric acid x) sulfuric acid y) water z) methane

Description : Which of the following is the most important chemically-active fluid involved in the formation of rocks? w) hydrochloric acid x) sulfuric acid y) water z) methane

Last Answer : ANSWER: Y -- WATER

Chemically least active element is

Description : Chemically least active element is

Last Answer : Chemically least active element is A. Kr B. Ne C. Xe D. Ar

Actinic means related to chemically active rays of the electromagnetic spectrum. A. True B. False

Description : Actinic means related to chemically active rays of the electromagnetic spectrum. A. True B. False

Last Answer : Ans: A

Poly Vinyl chloride (PVC) is a __________ material. (A) Thermoplastic (B) Thermosetting (C) Fibrous (D) Chemically active

Description : Poly Vinyl chloride (PVC) is a __________ material. (A) Thermoplastic (B) Thermosetting (C) Fibrous (D) Chemically active

Last Answer : (A) Thermoplastic

Poly Vinyl Chloride (P.V.C.) is a __________ material. (A) Thermosetting (B) Thermoplastic (C) Fibrous (D) Chemically active

Description : Poly Vinyl Chloride (P.V.C.) is a __________ material. (A) Thermosetting (B) Thermoplastic (C) Fibrous (D) Chemically active

Last Answer : (B) Thermoplastic

Asserion (A): Ethanol is miscible in all proportions with water Reason (R): Hydrogen bond is formed between water and alcohol molecules.

Description : Asserion (A): Ethanol is miscible in all proportions with water Reason (R): Hydrogen bond is formed between water and alcohol molecules.

Last Answer : Asserion (A): Ethanol is miscible in all proportions with water Reason (R): Hydrogen bond is formed between ... is false D. A is false but R is true

Ethanol and Methanol are miscible in water due to

Description : Ethanol and Methanol are miscible in water due to

Last Answer : Ethanol and Methanol are miscible in water due to A. Dissociation of water B. Their acidic character C. Allyl groups D. Hydrogen bonding

Are water and ethanol miscible?

Description : Are water and ethanol miscible?

Last Answer : Yes, in all proportions. Wine, beer and other alcoholic drinksare all such mixtures.