Maths-
By eliminating
from the Homogeneous Equations
where
not all zero then 
Maths-General
- 1

- 2
- 0
Answer:The correct answer is: 
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chemistry-
The electronic configuration of neon is
The electronic configuration of neon is
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The rank of
is
The rank of
is
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The system of equations
has no solution, if
is
The system of equations
has no solution, if
is
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chemistry-
The structure of the major product formed in the following reaction is

R - Cl is more reactive than Ar-I
The structure of the major product formed in the following reaction is

chemistry-General
R - Cl is more reactive than Ar-I
chemistry-
Identify the compound Y in the following reaction

Identify the compound Y in the following reaction

chemistry-General
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Which of the following is halogen exchange reaction?
Which of the following is halogen exchange reaction?
chemistry-General
chemistry-
(CH3)2CHCl + NaI →(CH3)2CHI + NaCl The above reaction is known as
(CH3)2CHCl + NaI →(CH3)2CHI + NaCl The above reaction is known as
chemistry-General
chemistry-
Which of the following pairs are correctly matched?

RX + AgCN (alc) ® RNC + AgX,
are correct
Which of the following pairs are correctly matched?

chemistry-General
RX + AgCN (alc) ® RNC + AgX,
are correct
chemistry-
Which one is a nucleophilic substitution reaction among the following?
Conceptual
Which one is a nucleophilic substitution reaction among the following?
chemistry-General
Conceptual
chemistry-
The major product in the reaction is

CH3O– is a strong nucleophile as well as a strong base. Therefore, it can either bring about substitution or elimination. Since the CH3 group at b-carbon causes stearic hindrance to nucleophilic substitution (SN2), therefore, elimination occurs preferably to form 2- mehtylpropene


The major product in the reaction is

chemistry-General
CH3O– is a strong nucleophile as well as a strong base. Therefore, it can either bring about substitution or elimination. Since the CH3 group at b-carbon causes stearic hindrance to nucleophilic substitution (SN2), therefore, elimination occurs preferably to form 2- mehtylpropene


chemistry-
In the following reaction :
The major product obtained is
Ease of abstraction of H is: 3° > 2° > 1°. Therefore, option (a) is correct


In the following reaction :
The major product obtained is
chemistry-General
Ease of abstraction of H is: 3° > 2° > 1°. Therefore, option (a) is correct


chemistry-
The reagents for the following conversions is / are

Simple alkyl halides are dehydrohalogenated by using a strong base such as alc. KOH. But vinyl halides require much stronger base such as NaNH2 for dehydrohalogenation .


The reagents for the following conversions is / are

chemistry-General
Simple alkyl halides are dehydrohalogenated by using a strong base such as alc. KOH. But vinyl halides require much stronger base such as NaNH2 for dehydrohalogenation .


biology
Identify
to
in the diagrammatic representation of internal structure of centrioles

A-Plasma membrane, B-Interdoublet bridge, C-Central microtubule and D-Radial spoke
Identify
to
in the diagrammatic representation of internal structure of centrioles

biologyGeneral
A-Plasma membrane, B-Interdoublet bridge, C-Central microtubule and D-Radial spoke
biology
Correlate the given features of animal cells (I to VII) with their respective parts (
to
)

I)The structure replicates during mitosis and generates the spindle
II)Major site for synthesis of lipid
III)Power house of the cell
IV)store house of digestive enzyme
V)Increase the surface are for the absorption of materials
VI)Site of glycolysis
VII)Site for active ribosomal RNA synthesis
The correct option is
i) The structure replicates during mitosis and generates the spindle – L
ii) Major site for synthesis of lipid – B
iii) Power house of the cell – H
iv) Store house of digestive enzyme – J
v) Increase the surface area for the absorption materials – N
vi) Site of glycolysis – F
vii) Site for active ribosomal RNA synthesis – D
ii) Major site for synthesis of lipid – B
iii) Power house of the cell – H
iv) Store house of digestive enzyme – J
v) Increase the surface area for the absorption materials – N
vi) Site of glycolysis – F
vii) Site for active ribosomal RNA synthesis – D
Correlate the given features of animal cells (I to VII) with their respective parts (
to
)

I)The structure replicates during mitosis and generates the spindle
II)Major site for synthesis of lipid
III)Power house of the cell
IV)store house of digestive enzyme
V)Increase the surface are for the absorption of materials
VI)Site of glycolysis
VII)Site for active ribosomal RNA synthesis
The correct option is
biologyGeneral
i) The structure replicates during mitosis and generates the spindle – L
ii) Major site for synthesis of lipid – B
iii) Power house of the cell – H
iv) Store house of digestive enzyme – J
v) Increase the surface area for the absorption materials – N
vi) Site of glycolysis – F
vii) Site for active ribosomal RNA synthesis – D
ii) Major site for synthesis of lipid – B
iii) Power house of the cell – H
iv) Store house of digestive enzyme – J
v) Increase the surface area for the absorption materials – N
vi) Site of glycolysis – F
vii) Site for active ribosomal RNA synthesis – D
chemistry-
In the reaction R – OH + HX → R – X + H2O, The reactivity of different alcohols is
This is because the order the relative stabilities of the carbocation formed in this reactions is : tertiary > secondary > primary.
In the reaction R – OH + HX → R – X + H2O, The reactivity of different alcohols is
chemistry-General
This is because the order the relative stabilities of the carbocation formed in this reactions is : tertiary > secondary > primary.