Assertion :- Cr belong to 4th period Reason :- Cr atom contain 4 shells.

Assertion :- Cr belong to 4th period Reason :- Cr atom contain 4 shells.
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Assertion :- Cr belong to 4th period Reason :- Cr atom contain 4 shells. A. If both Assertion & ... is False. D. If both Assertion & Reason are false
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Assertion :- `Cr^(+2)` is a reducing agent and `Mn^(+3)` is oxidising agent. Reason :- `Mn^(+3)` has `d^(5)` configuration.

Description : Assertion :- `Cr^(+2)` is a reducing agent and `Mn^(+3)` is oxidising agent. Reason :- `Mn^(+3)` has `d^(5)` configuration.

Last Answer : Assertion :- `Cr^(+2)` is a reducing agent and `Mn^(+3)` is oxidising agent. Reason :- `Mn ... is False. D. If both Assertion & Reason are False.

Assertion :- Oxidation number of Cr in `Cr(CO)_(6)` is zero. Reason :- Cr is a metal.

Description : Assertion :- Oxidation number of Cr in `Cr(CO)_(6)` is zero. Reason :- Cr is a metal.

Last Answer : Assertion :- Oxidation number of Cr in `Cr(CO)_(6)` is zero. Reason :- Cr is a metal. A. ... Reason is False. D. If both Assertion & Reason are False.

Assertion :- Oxidation number of `Cr` in `CrO_(3)` is `+6`. Reason :- In `CrO_(5)`, four oxygen atoms are involved in peroxide linkage.

Description : Assertion :- Oxidation number of `Cr` in `CrO_(3)` is `+6`. Reason :- In `CrO_(5)`, four oxygen atoms are involved in peroxide linkage.

Last Answer : Assertion :- Oxidation number of `Cr` in `CrO_(3)` is `+6`. Reason :- In `CrO_(5)`, four ... Reason is False. D. If both Assertion & Reason are False.

How many electron shells woul be completely filled by a neutral xenon atom?

Description : How many electron shells woul be completely filled by a neutral xenon atom?

Last Answer : Xenon has five electron shells.

Assertion : Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with the roots of all cereal and pulse cr

Description : Assertion : Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with the roots of all cereal and pulse cr

Last Answer : Assertion : Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is ... both the assertion and reason are false

Calculate the EAN of central atom in the following complexes `(a) [Cr(CO)_(6)]" "(b) [Fe(CN)_(6)]^(4-)" " (c ) [Fe(CO)_(5)] " " (d) [Co(NH_(3))_(6)]^(

Description : Calculate the EAN of central atom in the following complexes `(a) [Cr(CO)_(6)]" "(b) [Fe(CN)_(6)]^(4-)" " (c ) [Fe(CO)_(5)] " " (d) [Co(NH_(3))_(6)]^(

Last Answer : Calculate the EAN of central atom in the following complexes `(a) [Cr(CO)_(6)]" "(b) [Fe(CN)_(6)]^(4-)" " (c ... ))_(6)]^(4+)" " (h) [PtCl_(6)]^(2-)`

Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives (B) Having poor fatigue resistance (C) Having poor toughness (D) Not helpful in producing cleaner steel due to oxidising action of vanadium

Description : Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives (B) ... resistance (C) Having poor toughness (D) Not helpful in producing cleaner steel due to oxidising action of vanadium

Last Answer : (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives

Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller than sulphur.

Description : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller than sulphur.

Last Answer : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller ... is False. D. If both Assertion & Reason are false

Assertion :- In `NH_(4)NO_(3)`, the oxidation number of the two N-atoms is not equal. Reason :- One N atom is present in the ammonium ion while the ot

Description : Assertion :- In `NH_(4)NO_(3)`, the oxidation number of the two N-atoms is not equal. Reason :- One N atom is present in the ammonium ion while the ot

Last Answer : Assertion :- In `NH_(4)NO_(3)`, the oxidation number of the two N-atoms is not equal. Reason : ... is False. D. If both Assertion & Reason are False.

Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in `SF_(6)` prevent the attack of `H_(2)O` on sulphur atom of `SF_

Description : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in `SF_(6)` prevent the attack of `H_(2)O` on sulphur atom of `SF_

Last Answer : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in ` ... D. Statement-I is not correct and Statement-II is correct

Assertion `:` Faeces are brown coloured. Reason `,` Faeces contain brown pigment named sterocobilin formed by reduction of bile pigment.

Description : Assertion `:` Faeces are brown coloured. Reason `,` Faeces contain brown pigment named sterocobilin formed by reduction of bile pigment.

Last Answer : Assertion `:` Faeces are brown coloured. Reason `,` Faeces contain brown pigment named sterocobilin ... D. If both Assertion & Reason are false.

Assertion :- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their adaptation to aquatic life secondary.

Description : Assertion :- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their adaptation to aquatic life secondary.

Last Answer : Assertion :- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their ... . D. If both Assertion & Reason are false.

Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk.

Description : Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk.

Last Answer : Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk ... D. If both Assertion & Reason are False.

Assertion : - Circulatory system of cockroach does not contain any capillary. Reason :- Blood of cockroach does not contain any respiratory pigment.

Description : Assertion : - Circulatory system of cockroach does not contain any capillary. Reason :- Blood of cockroach does not contain any respiratory pigment.

Last Answer : Assertion : - Circulatory system of cockroach does not contain any capillary. Reason :- Blood of cockroach does not contain ... . A. A B. B C. C D. D

Assertion (A) : Some carbonaceous aerosols may be carcinogenic. Reason (R) : They may contain polycyclic aromatic hydrocarbons (PAHs). (A) Both (A) and (R) are correct and (R) is the correct explanation of (A). (B) Both (A) and (R) are correct but (R) is not the correct explanation of (A). (C) (A) is correct, but (R) is false. (D) (A) is false, but (R) is correct.

Description : Assertion (A) : Some carbonaceous aerosols may be carcinogenic. Reason (R) : They may contain polycyclic aromatic hydrocarbons (PAHs). (A) Both (A) and (R) are correct and (R) is the correct explanation of (A). (B) Both ... (C) (A) is correct, but (R) is false. (D) (A) is false, but (R) is correct.

Last Answer : Answer: A

_____ is the number of shells for elements of the 3rd period. (1) 2 (2) 1 (3) 0 (4) 3

Description : _____ is the number of shells for elements of the 3rd period. (1) 2 (2) 1 (3) 0 (4) 3

Last Answer : (3) 0 Explanation: The third period of the periodic table consists of the elements whose atoms has three shells occupied by electrons in its Ground State (when it is not excited or in a reaction).

Assertion : Lycaenops is a mammals - like reptile. Reason : Mammal - like reptiles originated in the Permian period.

Description : Assertion : Lycaenops is a mammals - like reptile. Reason : Mammal - like reptiles originated in the Permian period.

Last Answer : Assertion : Lycaenops is a mammals - like reptile. Reason : Mammal - like reptiles originated in the ... D. If both Assertion and Reason are false.

Assertion : From day 10 to 17 of the mentrual cycle is called fertile period. Reason : As chances of fertilisation are very high during this period.

Description : Assertion : From day 10 to 17 of the mentrual cycle is called fertile period. Reason : As chances of fertilisation are very high during this period.

Last Answer : Assertion : From day 10 to 17 of the mentrual cycle is called fertile period. Reason : As chances of ... . D. If both Assertion & Reason are False.

Assertion :- M-phase is the most dramatic period of the cell cycle. Reason :- It involves a major reorganisation of virtually all components of the ce

Description : Assertion :- M-phase is the most dramatic period of the cell cycle. Reason :- It involves a major reorganisation of virtually all components of the ce

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Which of the following statements are correct concerning delocalized electrons? (a) Electrons do not belong to a single atom. (b) Electrons are not confined to a bond between two atoms (c) Electrons are shared by three or more atoms.(d) (a), (b) and (c)

Description : Which of the following statements are correct concerning delocalized electrons? (a) Electrons do not belong to a single atom. (b) Electrons are not confined to a bond between two atoms (c) Electrons are shared by three or more atoms. (d) (a), (b) and (c)

Last Answer : (d) (a), (b) and (c)

The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a GeigerMuller counter from its known quantity. If the half life period of aradioactive substance is one month, then(A) 3/4th of it will disintegrate in two months(B) It will completely disintegrate in two months(C) It will completely disintegrate in four months(D) 1/8th of it will remain intact at the end of four months

Description : The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a GeigerMuller counter from its known quantity. If the half life period of a ... in four months (D) 1/8th of it will remain intact at the end of four months

Last Answer : (B) It will completely disintegrate in two months

How many elements are found in 4Th period in d- block?

Description : How many elements are found in 4Th period in d- block?

Last Answer : Ans: 10 elements

How many energy levels contain electrons in an atom of zirconium (Zr)?

Description : How many energy levels contain electrons in an atom of zirconium (Zr)?

Last Answer : 4

What atom does the compound contain?

Description : What atom does the compound contain?

Last Answer : Sodium chloride (NaCl) contain sodium and chlorine.

How many electrons does a neutral magnesium atom contain?

Description : How many electrons does a neutral magnesium atom contain?

Last Answer : What is the answer ?

What atom element contain 25 protons?

Description : What atom element contain 25 protons?

Last Answer : This chemical element is manganese.

What atom element contain 25 protons?

Description : What atom element contain 25 protons?

Last Answer : This chemical element is manganese.

A neutral atom contains 5 neutrons and 4 protons. How many electrons does it contain?

Description : A neutral atom contains 5 neutrons and 4 protons. How many electrons does it contain?

Last Answer : 4 A+

The side chain of which of the following amino acid contain sulphur atom? (A) Methionine (B) Threonine (C) Leucine (D) Tryptophan

Description : The side chain of which of the following amino acid contain sulphur atom? (A) Methionine (B) Threonine (C) Leucine (D) Tryptophan

Last Answer : Answer : A

(1) they contain free electrons Explanation: Metals typically consist of closepacked atoms, meaning that the atoms are arranged like closely packed spheres. Two packing motifs are common, one being bodycentered cubic wherein each metal atom is surrounded by eight equivalent atoms. The other main motif is face-centered cubic where the metal atoms are surrounded by six neighboring atoms. Several metals adopt both structures, depending on the temperature.

Description : (1) they contain free electrons Explanation: Metals typically consist of closepacked atoms, meaning that the atoms are arranged like closely packed spheres. Two packing motifs are common, one ... surrounded by six neighboring atoms. Several metals adopt both structures, depending on the temperature.

Last Answer : Helium gas is filled in ballons because (1) its atomic number is 2 (2) it is lighter than air (3) it is one of the constitutents of water (4) it is a noble gas

Which of the following molecules or ions involved in the Nitrogen Cycle do not contain oxygen atom? (1) Nitrite (2) Ammonia (3) Nitrate (4) Laughing gas

Description : Which of the following molecules or ions involved in the Nitrogen Cycle do not contain oxygen atom? (1) Nitrite (2) Ammonia (3) Nitrate (4) Laughing gas

Last Answer : (2) Ammonia

An optically active compound (a) must contain atleast four carbons (b) when in solution rotate the plane of polarized light (c) must always contain an asymmetric carbon atom (d) in solution always give a negative reading in polarimeter

Description : An optically active compound (a) must contain atleast four carbons (b) when in solution rotate the plane of polarized light (c) must always contain an asymmetric carbon atom (d) in solution always give a negative reading in polarimeter

Last Answer : when in solution rotate the plane of polarized light

(a) What are ‘groups’ and ‘periods’ in the ‘periodic table’? (b) Two elements M and N belong to group I and II respectively and are in the same period of the periodic table. How do the following properties of M and N vary? Sizes of their atoms Their metallic characters Their valencies in forming oxides Molecular formulae of their chlorides -Science

Description : (a) What are groups' and periods' in the periodic table'? (b) Two elements M and N belong to group I and II respectively and are in the same period of the periodic ... Sizes of their atoms Their metallic characters Their valencies in forming oxides Molecular formulae of their chlorides -Science

Last Answer : (a) The vertical columns in the periodic table are called groups'. The horizontal rows in the periodic table are called periods'. (b) M' and N' belong to same period but group I ... oxides. Valency goes on increasing first and then decreases. MCI, NCI2 are molecular formulae of their chlorides.

La belongs to group 3 while Hg belongs to group 12 and both belong to period 6 of the periodic table.

Description : La belongs to group 3 while Hg belongs to group 12 and both belong to period 6 of the periodic table.

Last Answer : La belongs to group 3 while Hg belongs to group 12 and both belong to period 6 of the ... from La to Hg together using orbital notation method.

The monuments at Khajuraho belong to the period of which rular?

Description : The monuments at Khajuraho belong to the period of which rular?

Last Answer : Chandelles

The rock-cut caves at Elephanta belong to which period?

Description : The rock-cut caves at Elephanta belong to which period?

Last Answer : Chalukyas

To which period do the following elements belong?

Description : To which period do the following elements belong?

Last Answer : a) Manganese (Atomic number:25) Atomic number of Manganese is 25 2

Which geologic period does not belong in the Mesozoic era? w) Permian x) Cretaceous y) Triassic z) Jurassic

Description : Which geologic period does not belong in the Mesozoic era? w) Permian x) Cretaceous y) Triassic z) Jurassic

Last Answer : ANSWER: W -- PERMIAN

The Miocene, Eocene and Paleocene epoches belong t what geologic period on the Phanerozoic Time Scale? Is it the: w) Devonian x) Permian y) Triassic (pron: try-as-ick) z) Tertiary

Description : The Miocene, Eocene and Paleocene epoches belong t what geologic period on the Phanerozoic Time Scale? Is it the: w) Devonian x) Permian y) Triassic (pron: try-as-ick) z) Tertiary

Last Answer : ANSWER: Z -- TERTIARY 

1. In the short run, a producer,’ how long continues his production? 2. Which is the largest mosque in India? 3. Absorption of water by root occurs in the region of which parts? 4. What is the transfer of energy through matter from particle to particle? 5. The monuments at Khajuraho belong to the period of which rular?

Description : 1. In the short run, a producer,' how long continues his production? 2. Which is the largest mosque in India? 3. Absorption of water by root occurs in the region of which parts? 4. What is the ... when it is nearest to the Sun,? 20. Which was the first fort constructed by the British in India?

Last Answer : Answer : 1. Fixed cost 2. Jama Masjid 3. Root hairs 4. Conduction 5. Chandelles 6. President 7. Tetra-ethyl Lead 8. Pokhran 9. Thermosphere 10. Pallavas 11. The demand exceeds the supply 12. Leaves 13. ... 15. 1510 A.D. 16. Isothermal 17. February 28 18. 1974 19. Perihelion 20. Fort St. George

Can you eat the shells from shrimp?

Description : Can you eat the shells from shrimp?

Last Answer : Yes, I know a couple of people that would eat shells and all ! But breaded shrimp is usually without the shell.

Are there any George Pocock shells in existence today?

Description : Are there any George Pocock shells in existence today?

Last Answer : There is a George Pocock Rowing Foundation They might be able to help you out @josie

How many shells does a typical tank have?

Description : How many shells does a typical tank have?

Last Answer : Yes, tanks need constant refueling, rearming. Tanks generally carry two types of shells for the main gun: AP and HE.

If I make too much cheese filling for a batch of stuffed shells, can I freeze the rest?

Description : If I make too much cheese filling for a batch of stuffed shells, can I freeze the rest?

Last Answer : I have frozen cottage cheese with only marginal success. It tasted OK but the texture was weird…very watery. It can’t hurt to try. I just removed a little from the top of the container to allow for expansion and popped it in the freezer.

Shells from the ocean in a freshwater aquarium? Bad idea?

Description : Shells from the ocean in a freshwater aquarium? Bad idea?

Last Answer : Yes, they dissolve and affect your water pH.

What is the easiest way to crack black walnut shells?

Description : What is the easiest way to crack black walnut shells?

Last Answer : answer:Nut cracker and a nut picking tool. A nut cracker can be found at Dollar General Store. Just make sure the walnuts are not green inside.

When the manufacturer makes peanut butter, are the shells also used?

Description : When the manufacturer makes peanut butter, are the shells also used?

Last Answer : Here is a video of making peanut butter.

Is it really safe to eat in a restaurant that has peanut shells on the floor?

Description : Is it really safe to eat in a restaurant that has peanut shells on the floor?

Last Answer : I am more worried that the peanut shells are from rats or mice munching their way through the restaurant and leaving a messy trail behind. Yikes. Lol.

[Fiction question] If you collected Atlantic sea shells, which would be the prize of your collection?

Description : [Fiction question] If you collected Atlantic sea shells, which would be the prize of your collection?

Last Answer : I like pen shells, they aren’t exactly rare, but they are quite fragile and beautiful. They’re smooth and black but iridescent like oil floating on top of a puddle. It’s almost impossible to find them in anything but broken pieces. They’re prettier in person, but you get the idea.

Why dont slugs have shells?

Description : Why dont slugs have shells?

Last Answer : Shells would slow ‘em down too much!