Chemistry-
General
Easy
Question
Which of the following is used as life saving substance as blood plasma
- Cellulose
- Teflon
- Bakelite
- Polyvinyl pyrrolidone
The correct answer is: Polyvinyl pyrrolidone
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physics
A satellite which is geostationary in a particular orbit is taken to another orbit. Its distance from the center of earth in new orbit is two times of the earlier orbit. The time period in second orbit is hours.
A satellite which is geostationary in a particular orbit is taken to another orbit. Its distance from the center of earth in new orbit is two times of the earlier orbit. The time period in second orbit is hours.
physicsGeneral
biology
Assertion : LSD is the most powerful psychedelic.
Reason : Psychedic drugs cause hallucination.
Assertion : LSD is the most powerful psychedelic.
Reason : Psychedic drugs cause hallucination.
biologyGeneral
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Two satellites of mass m1 and m2 (m1>m2) are rowlving mund the earth in consular archive of r1 and r2 (r1>r2) respectively. Which of the following statement is true regarding their speeds v1 and v2
Two satellites of mass m1 and m2 (m1>m2) are rowlving mund the earth in consular archive of r1 and r2 (r1>r2) respectively. Which of the following statement is true regarding their speeds v1 and v2
physicsGeneral
biology
Tunnel vision is caused by
Tunnel vision is caused by
biologyGeneral
physics
If r represents the radius of the orbit of a satellite of mass m moving around a planet of mass M , the velocity of the satellite is given by
If r represents the radius of the orbit of a satellite of mass m moving around a planet of mass M , the velocity of the satellite is given by
physicsGeneral
chemistry-
Copper is the most noble of the first row transition metals and occurs in small deposits in several countries. Ores of copper include chalcanthite (CuSO4 ,5H2O), atacamite cuprite (Cu2O), copper glance (Cu2S) and malachite However, 80% of the world copper production comes from the ore of chalcopyrite (CuFeS2). The extraction of copper from chalcopyrite involves partial roasting, removal of iron and self-reduction. Iron is removed from chalcopyrite as
Copper is the most noble of the first row transition metals and occurs in small deposits in several countries. Ores of copper include chalcanthite (CuSO4 ,5H2O), atacamite cuprite (Cu2O), copper glance (Cu2S) and malachite However, 80% of the world copper production comes from the ore of chalcopyrite (CuFeS2). The extraction of copper from chalcopyrite involves partial roasting, removal of iron and self-reduction. Iron is removed from chalcopyrite as
chemistry-General
physics
If Ve and Vo are represent the escape velocity and orbital velocity of satellite corresponding, to a circular orbit of radius r , then
If Ve and Vo are represent the escape velocity and orbital velocity of satellite corresponding, to a circular orbit of radius r , then
physicsGeneral
biology
Social therapy of mental illness is required for
Social therapy of mental illness is required for
biologyGeneral
biology
Sedatives, tranquillisers, stimulants and hallucinogens are the psychosis drugs which affect the
Sedatives, tranquillisers, stimulants and hallucinogens are the psychosis drugs which affect the
biologyGeneral
biology
Cancer can be caused by the use of
Cancer can be caused by the use of
biologyGeneral
Maths-
1.2.3+2.3.4+3.4.5+........n terms. Find sum to n terms.
1.2.3+2.3.4+3.4.5+........n terms. Find sum to n terms.
Maths-General
Maths-
Let be given by . Then the set of values of x for which is given by
Let be given by . Then the set of values of x for which is given by
Maths-General
Maths-
If , then x is not satisfied by number of integral values
If , then x is not satisfied by number of integral values
Maths-General
Maths-
The domain of is
The domain of is
Maths-General
Maths-
The inverse of the function is
We used rules of indices to solve the question. For such questions, we should be familiar with rules of indices.
The inverse of the function is
Maths-General
We used rules of indices to solve the question. For such questions, we should be familiar with rules of indices.