access ncert solutions for class 10 chapter 1 chemical reactions and equations here . test your knowledge on balanced chemical equations! q 5 put your understanding of this concept to test by answering a few mcqs. click ‘start quiz’ to begin! select the correct answer and click on the “...
Chemical Reactions Questions and Answers - Practice questions, MCQs, PYQs, NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions, and PDF Questions with answers, solutions, explanations, NCERT reference, and difficulty
Chemical kinetics class 12 is the branch of chemistry concerned with the study of the rates of chemical reactions and the factors that influence them.Chemical Kinetics Class 12 NCERT Solutionshelps students delve into the intricacies of chemical kinetics, exploring topics such as rate of reaction, f...
(i) Reactant nature: The rate of the reaction is determined by the reactant's nature. Ionic compound reactions, for example, are faster than covalent compound reactions. (ii) Reactant state: Solid reactions are sluggish, liquid reactions are quick, and gas reactions are very fast. (iii) T...
chemical equations to describe chemical reactions, which transform one form of matter (reactants) into another form of matter (products). the unbalanced chemical reaction of methane (ch 4 ) combustion with oxygen (reactants) to produce carbon dioxide and water is shown below (the products). ...
a particular chemical change or physical change. many changes happen in a natural environment such as evaporation of water, condensation, rainfall, etc. the change in state is involved in all these changes. during some reactions, the old bonds in the reactants break and new bonds are created...
a. luteinizing hormone b. antidiuretic hormone c. prolactin d. melanocyte stimulating hormone 9. fight-or-flight reactions cause activation of (2014) a. the pancreas leading to a reduction in the blood sugar levels b. the adrenal medulla, leading to increased secretion of epinephrine and ...
chemical reactions chemistry calculators periodic table elements of the periodic table periodicity in properties of elements mendeleev's periodic table modern periodic table and law table of elements electronic configuration of elements periodic trends in ionization enthalpy trends in electron gain enthalpy ...
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found in nitrates and nitrites in soil and water. all these substances are part of the nitrogen cycle and interconnected. industrial companies emit nitrogen extensively, increasing nitrite and nitrate content in the ground and water, being the consequence of reactions in the nitrogen cycle. nitrogen...