Questions with detailed step by step solutions from Chemical Reactions

Questions in Chemical Reactions
  1. In a chemical reaction, $2HgO\to 2Hg+{{O}_{2}}$. What changes are observed at the end of the reaction ?
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  2. Consider a reaction: $CaO+{{H}_{2}}O\to Ca{{\left( OH \right)}_{2}}$. What is the name of this reaction ?
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  3. What kind of reaction is this $CuC{{O}_{3}}\to CuO\text{ }+\text{ }C{{O}_{2}}$ ?
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  4. Which of the following could be an example of combination reactions ?
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  5. Name the reaction given below. $NaOH+HCl\to NaCl\text{+}{{H}_{2}}O$
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  6. A catalyst is used to
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  7. The substance like Molybdenum which is added to the catalyst and increases the efficiency of reaction is called
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  8. Enzymes
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  9. Which of the following is an example of endothermic reaction ?
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  10. Which of the following is an example of exothermic reaction ?
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