a student added quick lime to the beaker containing water which of the following is not correct observe of the student A he feel hot when he touch the bottom of the beaker B dissolving quick lime water is a combination reaction C when red litmus paper is dipped in the beaker it turns into blue colour D dissolving quick lime in water produce white precipitate
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are you from MS Creative School solving physics block test paper?
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Answer:
Quicklime is chemically Calcium Oxide.
Explanation:
- Quicklime is chemically Calcium Oxide.
- When water is added to Quick lime, calcium hydroxide(SLAKED LIME) is formed and a lot amount of heat is released in this process. EXOTHERMIC REACTION. A hissing sound is also observed.
- The reaction is,
CaO+H₂O→Ca(OH)₂ +Heat
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