AmanKumarDohare Asked: December 2022 A chemical reaction is generally characterized by many changes like Evolution of gas, change in colour, change in state of substances Change
AmanKumarDohare Asked: December 2022 Reproduction is not necessary to maintain the life of an individual, unlike other life processes such as nutrition, respiration or excretion. still an individual wastes energy
AmanKumarDohare Asked: December 2022 an electromagnet consist of a core of soft iron wrapped around with a coil of insulated copper wirepicture given above state two
AmanKumarDohare Asked: December 2022 On the basis of the given table, answer the following questions.(i)Among silver and copper which one is better conductor? Why?(ii)Which material would you advise to
AmanKumarDohare Asked: December 2022 Assertion : Ozone released by industries is a useful gas for living organisms.Reason : Ozone is present in the upper atmosphere
AmanKumarDohare Asked: December 2022 (a) In the given diagram, trace the path of the ray of light AB, when itmoves out of the glass
AmanKumarDohare Asked: December 2022 We can observe the stars twinkling and planets shining in the night sky.What will be our observation if there is no atmosphere around
AmanKumarDohare Asked: December 2022 Two pea plants - one having purple flowers (PP) and the other having white flowers (pp) are allowed to undergo a cross.a)
AmanKumarDohare Asked: December 2022 state the result of the reaction between metals and acid which acid willnot form the expected product and why
AmanKumarDohare Asked: December 2022 what effects would be there in the environment if there are nodecomposers
AmanKumarDohare Asked: December 2022 what do you mean by female foeticide what effect does it haveon our society
AmanKumarDohare Asked: December 2022 list any two observations when water is electrolysed by passing electric current
AmanKumarDohare Asked: December 2022 the structure of human heart does not allow oxgenated and deoxygenatedblood to mix justify the reason
AmanKumarDohare Asked: December 2022 Two consecutive members of a homologous series have a difference of -CH2 in molecular formula. Take an example from Alkenes
AmanKumarDohare Asked: December 2022 (a)What will happen when the magnet moves towards the coil?b) State the important principle which is represented by thisarrangementc) Name the
AmanKumarDohare Asked: December 2022 A hydrocarbon has the molecular formula C4H8. Draw its structure andwrite the IUPAC name.Stato thororuit of the reaction between metals and acid. Which acid
AmanKumarDohare Asked: December 2022 (i) A compass needle gets deflected when brought near a currentcarrying conductor. Why?(ii) What happens to the deflection of needle when current in theconductor is