Chemistry-
General
Easy
Question
The percentage composition of four hydrocarbons is as follows
This data illustrates the law of
- Constant proportions
- Reciprocal proportions
- Multiple proportions
- Conservation of energy
The correct answer is: Multiple proportions
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The wedge is kept below the 60 cm mark on the meter scalc. Known masses of 1kg and 2kg are hung at the 20 cm and 30 cm mark respectively. Where will a 4kg mass be hung on the meter scale to balance it ? (Neglect mass of meter scale.)
The wedge is kept below the 60 cm mark on the meter scalc. Known masses of 1kg and 2kg are hung at the 20 cm and 30 cm mark respectively. Where will a 4kg mass be hung on the meter scale to balance it ? (Neglect mass of meter scale.)
physicsGeneral
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Which of the following compounds is produced with this reaction takes place ?
Which of the following compounds is produced with this reaction takes place ?
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Methoxy benzene is called anisole
How many more structures can be drawn for the same formula ?
Methoxy benzene is called anisole
How many more structures can be drawn for the same formula ?
chemistry-General
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The major product obtained on the monobromination (with 
) of the following compound is
The major product obtained on the monobromination (with ) of the following compound is
chemistry-General
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In the experiment of balancing moments, suppose the fulcrum is at the 60 cm mark, and a known mass of 2kg is used on the longer arm. The greatest mass of which can be balanced against 2kg such that the minimum distance of either of the masses from the fulcrum is at least 10cm. (Neglect mass of metre scale.) What will be the value of m?
In the experiment of balancing moments, suppose the fulcrum is at the 60 cm mark, and a known mass of 2kg is used on the longer arm. The greatest mass of which can be balanced against 2kg such that the minimum distance of either of the masses from the fulcrum is at least 10cm. (Neglect mass of metre scale.) What will be the value of m?
physicsGeneral
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A force 2i + 3j acts about an axis at a position vector (j + k) from the axis, then what is the torque due to the force about the axis?
A force 2i + 3j acts about an axis at a position vector (j + k) from the axis, then what is the torque due to the force about the axis?
physicsGeneral
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When the "wedge and scale" experiment is performed at the equator, we get .
.If the same experiment is performed at the poles, then what is the wright equation?
When the "wedge and scale" experiment is performed at the equator, we get . .If the same experiment is performed at the poles, then what is the wright equation?
physicsGeneral
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In the Seale and wedge experiment, m situated at x from the wedge and M is situated at from wedge at equillbrium. Now if m < M, then what is the relation between X and Y ?
In the Seale and wedge experiment, m situated at x from the wedge and M is situated at from wedge at equillbrium. Now if m < M, then what is the relation between X and Y ?
physicsGeneral
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When the moment of force is maximum, then what is the angle between force and position vector of the force?
When the moment of force is maximum, then what is the angle between force and position vector of the force?
physicsGeneral
physics
In the experiment we of simple pendulum keep 
, so as ensure......
In the experiment we of simple pendulum keep , so as ensure......
physicsGeneral
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In the experiment of simple pendulum, we have taken a thread of 140 cm , and an amplitude of 5 cm to begin with. Here 
to begin with is about...........
In the experiment of simple pendulum, we have taken a thread of 140 cm , and an amplitude of 5 cm to begin with. Here to begin with is about...........
physicsGeneral
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For a pendulum in undamped oscillation, with a bob of mass and radius r, with a string of kngth l. What is the time period?
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physicsGeneral
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In a damped oscillation with damping constant b . The time taken for its mechanical energy to drop to half. What is its value?
In a damped oscillation with damping constant b . The time taken for its mechanical energy to drop to half. What is its value?
physicsGeneral
physics
In a damped oscillating with damping constant b. The time taken for amplitude of oscillation to drop to half what is its initial vale?
In a damped oscillating with damping constant b. The time taken for amplitude of oscillation to drop to half what is its initial vale?
physicsGeneral
chemistry-
I: 
II 
III 
For the above compounds the correct of internal energy content is = =</span
I:
II
III
For the above compounds the correct of internal energy content is = =</span
chemistry-General
