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Which of the followings are endothermic reactions?
Which of the followings are endothermic reactions?
Which of the followings are exothermic reactions?
Which of the following chemical reactions involving the release of heat to the surroundings?
HCl + NaOH → NaCl + H₂O
The equation above represents the reaction between hydrochloric acid and sodium hydroxide. Given that this is an exothermic reaction. Which of the following statements are true about this reaction?
Which of the following is true about endothermic reaction?
Diagram above shows an experiment in which zinc oxide powder is added to dilute hydrochloric acid. Which of the following is true about this reaction?
The figure shows a burning match. By striking a match, a chemical reaction is initiated and ignites the match. Which of the following statements about the chemical reaction is correct?