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Class 10 Science

Class 10 Science के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ScienceWhat is the process of adding hydrogen to vegetable oil in the presence of a nickel catalyst called?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceWhat does a yellow, smoky flame generally indicate?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceWhich dangerous gas can be formed during the incomplete combustion of a carbon-containing fuel?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceWhat is necessary for the complete combustion of a fuel?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceWhich gas is generally formed during the complete combustion of carbon compounds?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceWhy is consuming methanol dangerous?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceEthanol belongs to which class of compounds?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceWhich functional group is present in carboxylic acids?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceWhich functional group is present in alcohols?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceWhat is the difference in molecular mass between two successive members of a homologous series?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceWhat is a series of organic compounds having the same functional group, in which successive members differ by a \\(\mathrm{-CH_2-}\\) unit, called?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceBased on the saturated–unsaturated classification, what type of hydrocarbon is methane?Class 10Carbon and its CompoundsHydrocarbonsLevel 2Easy ScienceWhat type of bonds are present between carbon atoms in saturated hydrocarbons?Class 10Carbon and its CompoundsCovalent bondingLevel 2Easy ScienceWhat are compounds made only of carbon and hydrogen called?Class 10Carbon and its CompoundsHydrocarbonsLevel 2Easy ScienceWhich allotrope of carbon is the hardest natural substance?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceA student dipped blue litmus paper in vinegar, and it turned red. What is the correct reason for this change?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 2Easy ScienceDiamond and graphite are which type of forms of carbon?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceWhat is the ability of carbon to form long chains with its own atoms called?Class 10Chemical Substances – Nature and BehaviourCarbon and its CompoundsLevel 2Easy ScienceWhat is the valency of carbon?Class 10Carbon and its CompoundsCovalent bondingLevel 2Easy ScienceA farmer finds that the soil has a pH of 5. What should be added to reduce the soil’s acidity for better crop growth?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy