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Tests of benzaldehyde - aldehydes and ketones (a) It forms a white precipitate with solution. (b) It creates a yellow precipitate with 2: 4 dinitrophenyl hydrazines. (
Calculate the free energy change of following reaction at298 kelvin H2+I2=2HI if the enthalpy change is 51.8816kj and the entropy change is 166.15j is this reaction thermodyanamica
Q. What is basic need of SI Units? Ans: The Importance of Units Units give numbers a particular meaning. Example: I am 5 feet 10 inches tall. Feet and inches are units. I co
what is resonence effect on acidity
Why is zinc is not extracted from zinc oxide through reduction with CO? Solution) Reducing agent should have more negative ΔG value. In case of zinc oxide ,Zn has more negativ
effect on human body.
Q. Explain about frequency of Electromagnetic waves? Electromagnetic waves all along with water waves and sound waves exhibit certain common characteristics. All waves consist
what is agar-agar
preparation of alkenes
Indicate the nature of bonding in CCl 4 and CaH 2 : (1) Covalent in Ccl 4 and electrovalent in Cah 2 (2) Electrovalent in both CCl and CaH 2 (3) Covalent in bot
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