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All posts related to Engineering entrance

Rithika
Shared from Alkenes and Alkynes (Easy) on Jun 24, 2020 9:43 AM

In the presence of platinum catalyst, hydrocarbon A adds hydrogen to form n-hexane. When hydrogen bromide is added to A instead of hydrogen, only a single bromo compound is formed. Which of the following is A?

 
CH3 –– CH2 –– CH = CH –– CH2 –– CH3
CH3 –– CH2 –– CH2 –– CH = CH –– CH3
CH3 –– CH = CH –– CH2 –– CH2 –– CH3
CH2 = CH –– CH2 –– CH2 –– CH2 –– CH3
Please type your answer before submitting.
Rithika

Why cannot the answer be option 4?

Duvva Krupakar
Shared from EAMCET - 3 (Engineering) on Jun 21, 2020 7:35 PM

A bar magnet of magnetic moment M1 is axially cut into two equal parts. If these two pieces are arranged perpendicular to each other, the resultant magnetic moment is M2. Then the value of M1/M2 is

 
1
Please type your answer before submitting.
Duvva Krupakar

Any body there here to do this question

Ch Aryan
Shared from EAMCET - 2 (Engineering) on Jun 02, 2020 7:14 PM

If z1 and z2 are any two complex numbers, then

 
|z1 + z2| |z1| + |z2|
|z1 + z2| > |z1| + |z2|
|z1 + z2| |z1| + |z2|
|z1 + z2| = |z1| + |z2|
Please type your answer before submitting.
Ch Aryan

Can you explain breifly

Vibrant
Shared from BITSAT Mock - 9 on May 30, 2020 12:07 PM
Show common data

On reading paragraph 1, it can be inferred that

 
all the subjects at school level may not be helpful in promoting 'International Understanding'
school subjects may be used creatively to promote 'International Understanding'
'International Understanding' may be treated as a separate subject in schools
the school curriculum is too heavy to incorporate 'International Understanding'
Please type your answer before submitting.
Vibrant

These types of question are subjective and depend on what the student infers. How can we have a definitive answer

Santosh Vishwanathan
Shared from BITSAT Mock - 14 on May 26, 2020 3:20 PM

A body of mass 10 kg is projected upward with an initial velocity of 10 m/s and at an angle of 45o horizontally. When the body reaches to its maximum height, it collides with another body of mass 10 kg, thrown vertically upward from the ground with a velocity of 10 m/s. If the collision was purely inelastic, then what will be the vertical component of velocity of the combined mass after the collision?

 
m/s
m/s
m/s
m/s
None of these
Please type your answer before submitting.
Santosh Vishwanathan

How is 5 root((1/root2)2 (1/root2)2)= 5/2???? it should be five itself which will give the answer as 5/root(2) not 5/2