Question
STATEMENT EXPLANATION Although 
andPhosphorus has 
are known, thelower pentahalides of nitrogenelectronegativity have not been observedthan nitrogen.electronegativity
- Both S and E are true, and E is the correct explanation of S
- Both S and E are true, but E is; not the correct explanation of S
- S is true but E is false
- S is false but E is true
The correct answer is: Both S and E are true, but E is; not the correct explanation of S
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Write the missing product in the following reaction–
Write the missing product in the following reaction–
In phosphorus estimation, the compound Mg NH4PO4 is converted on ignition to–
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If 
then r is :
If then r is :
Solid 
exists as–
Solid exists as–
The coefficient of 
in 
is
The coefficient of in is
Statement I Two particles moving in the same direction do not lose all their energy in a completely inelastic collision.
Statement II Principle of conservation of momentum holds true for all kinds of collisions.
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Statement II Principle of conservation of momentum holds true for all kinds of collisions.
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is
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(Me)2SiCl2 on hydrolysis will produce -
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(Me)2SiCl2 on hydrolysis will produce -
(Me)2SiCl2 on hydrolysis will produce -
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A shell of mass moving with velocity suddenly breaks into 2 pieces. The part having mass remains stationary. The velocity of the other shell will be
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then B=
B 
B = B C = A 
. The number of ways to partition S is -
