(a) Magnesium liberates ________ gas on reacting with hot boiling water.
(b) Complete and balance the following equation
Na + O2 →
(c) Double fertilisation is the characteristic feature of ___________.
(d) The grafted portion of a plant is called__________.
(e) An electric motor works on the principal of_________.
(f) _______ is an organ of human body which is sensitive to magnetic effect of electric current.
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a)Hydrogen gas
(b)Na2O
(c) Angiosperms
(d)Scion
(e)It works on the principle that when a rectangular coil is placed in a magnetic field and current is passed through it, a force acts on the coil which rotates it continuously.
(f)heart
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Answer:
(a) Hydrogen gas
(b) Na2O
(c) Angiosperms
(d) Scion
(e) The principle of an electric motor is based on the current carrying conductor which produces magnetic field around it.
(f) Heart
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