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प्रश्न
To determine the percentage of water absorbed by raisins, raisins are soaked in water for:
पर्याय
30 seconds
10 minutes
2 to 3 hours
24 hours
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उत्तर
2 to 3 hours
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संबंधित प्रश्न
Translate the following statement into chemical equation and then balance the equation:
Barium chloride reacts with zinc sulphate to give zinc chloride and barium sulphate.
Name the various types of chemical reactions.
State the information conveyed by the following equation:
Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2 ↑
Balance the following equation:
PbS + O2 → PbO + SO2
A student mixes sodium sulphate powder in barium chloride powder. What change would the student observe on mixing the two powders? Justify your answer and explain how he can obtain the desired change.
Write word equation for the following molecular equation:
FeSO4 + 2NaOH →Na2SO4 + Fe(OH)2 ↓
Word equation:
State why [↓] indication is seen after Fe(OH)2 and not after Na2SO4
Give an example of a chemical equation in which two reactants form:
one product
Balance the following simple equation:
Fe2O3 + H2 → Fe + H2O
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
Fe2O3 + 2H2 → 2Fe + 3H2O
When aqueous solutions of potassium iodide and lead nitrate are mixed an insoluble substance separates out. The chemical equation for the reaction involved is:
