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प्रश्न
Which among the following are physical or chemical change?
Curding of milk
उत्तर
Chemical
APPEARS IN
संबंधित प्रश्न
Hydrogen burns with a ______ flame and ______ sound is heard.
Explain the following in term of gain or loss of oxygen with two examples.
Reduction
State whether the following conversion is oxidation or reduction:
PbO2 + SO2→ PbSO4
State whether the following conversion is oxidation or reduction:
Cu2+ + 2 e-→ Cu
Divide the above equation into oxidation and reduction half-reactions.
Which of the following statements about hydrogen is incorrect?
For the reaction PbO + H2→ Pb + H2O, which of the following statements is wrong?
Write chemical formula for rust.
Which among the following are physical or chemical change?
Burning of Liquefied Petroleum Gas (LPG)
Find the oxidation number of the element in the following compound.
Mg in MgO
