For the circular coil carrying current shown below draw magnetic field lines decide which of its face behave as north pole and which face as south pole . Give reason to justify your answer.
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December 2022
Why would happen if ? (a) KOH solution is not hung in conical flask during experiment (b) seeds are not kept moist during experiment
raghavchaudharh
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December 2022
Zinc and aluminium are very high in metal reactivity series ,yet they resist corrosion to a great extent . Why?
raghavchaudharh
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December 2022
What do you understand by the term environment? What are the component of environment?
raghavchaudharh
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December 2022
A compound a molecular formula = C2H4O2 react with Na metal to form a compoundB and evalves a gas which burns with a pop sound compound A on treatment with an alcohol C in the presence of an acid forms a sweet smelling compound D molecular formula= C3H6O2. B is...
raghavchaudharh
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December 2022
An object is placed at the focus in front of a concave mirror. What is the (a) position (b) size (c) nature of image ?
raghavchaudharh
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December 2022
How do you classify the organs of different organism as homologous or analogous?
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December 2022
Explain in brief the cause of a plant shoot bending towards light
raghavchaudharh
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December 2022
(a) what is blood clotting and why is it known to be useful mechanism ? (b) what is meant by heart beat and what is usual heart beat at rest?
raghavchaudharh
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December 2022
(a) what is tissue culture ? Why is it called micropropagation in vitro? (b) give the advantage of tissue culture.
raghavchaudharh
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December 2022
Why is co2 gas passed through linre water for a short duration only
raghavchaudharh
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December 2022
In a monohybrid and a dihybrid cross first filial and second filial generation is observed . Different between F1 and F2 generation by giving three points.
raghavchaudharh
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December 2022
Explain the term resistance of the conductor name two metals which offer very high resistance and two metals which offer very low resistance write the factor in which the resistance of the conductor depends.
raghavchaudharh
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December 2022
What happen when (a) testrone is released in males . (b) pollen grain falls on the stigma Of the flower. (c) Egg fuses with sperm cell. (d) planaria is cut into many pieces (e) buds are formed on the notches of the bryophyllum leaf.
raghavchaudharh
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December 2022
Why should we prefer vegetable oils over animal fats for cooking food give a balanced chemical equation for the reaction for hydrogenation of vegetable oils name the catalyst in this reaction
raghavchaudharh
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December 2022
A young plant recieve sunlight from one direction only. What will happen to its shoots and roots?