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1. Assertion(A): Quicklime reacts vigorously with water releasing a large amount of heat. Reason(R): The above chemical reaction is an exothermic reaction b. O2. Assertion (A): Fe₂O, + 2A1The above chemical equation is and. OAl₂O; + 2Fe example of displacement reaction.Reason (R): Aluminium being more reactive than Iron(Fe), displaces Iron(Fe) from its oxide.ab.d.OAssertion(A): White silver chloride turns grey in sunlight. Reason (R): Decomposition of silver chloride in presence of sunlight takes place to form silver metal and chlorine gas.b.c.d.4. Assertion(A): The balancing of chemical equations is based on law of conservation of mass.Reason (R): Total mass of reactants is equal to Oa Oc.total mass O5. Assertion(A): Respiration is an exothermic reaction.Reason(R): Respiration is a process in which glucose combines with oxygen and decomposea Oto carbon dioxide and water. This reaction also release some energy. b. OMultiple choice questions:d. ODarken the circle against the correct option of the following questions (6-10) with pencil/pen:1X56. Combustion of methane is an example of a. Exothermic reaction Ob. Endothermic reactionc. Combustiond. Decomposition reaction.when you don't understand stand this please watch the oboveplease answer this if you know 100 percent |
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Answer» 1. Assertion(A): Quicklime reacts vigorously with water releasing a large amount of heat. Reason(R): The above chemical reaction is an exothermic reactionb. O2. Assertion (A): Fe₂O, + 2A1The above chemical equation is and. OAl₂O; + 2Fe EXAMPLE of displacement reaction.Reason (R): Aluminium being more reactive than Iron(Fe), displaces Iron(Fe) from its oxide.ab.d.OAssertion(A): White silver chloride turns grey in sunlight. Reason (R): Decomposition of silver chloride in presence of sunlight takes place to form silver metal and chlorine gas.b.c.d.4. Assertion(A): The balancing of chemical equations is BASED on law of conservation of MASS.Reason (R): Total mass of reactants is equal to Oa Oc.total mass O5. Assertion(A): Respiration is an exothermic reaction.Reason(R): Respiration is a process in which glucose combines with oxygen and decomposea Oto carbon dioxide and water. This reaction also release some energy. b. OMultiple choice questions:d. ODarken the circle against the correct option of the following questions (6-10) with pencil/pen:1X56. Combustion of methane is an example of a. Exothermic reaction Ob. Endothermic reactionc. Combustiond. Decomposition reaction.when you don't UNDERSTAND STAND this please watch the oboveplease answer this if you know 100 percent |
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