Advertisements
Advertisements
प्रश्न
Dry raisins were soaked in water for 2 hours, to determine the percentage of water absorbed by raisins. Before final weighing of swollen raisins, the extra water left on the surface of soaked raisins was removed by:
विकल्प
Gently rubbing with cotton cloth
Hot air blower
Dry cotton wool
Filter paper
Advertisements
उत्तर
Not in Current Syllabus
The raisins after being soaked in water are dried on a piece of filter paper in order to remove the excess water present on their surface.
The Correct Answer is D
संबंधित प्रश्न
Write a complete balanced equation for the following reaction:
\[\ce{Sulphur dioxide (gas) + Oxygen (gas) -> Sulphur trioxide (gas)}\]
Balance the following chemical equation:
\[\ce{C + CO2 -> CO}\]
The chemical reaction between quicklime and water is characterised by ______.
A colourless lead salt, when heated, produces a yellow residue and brown fumes.
- Name the lead salt.
- Name the brown fumes.
- Write a chemical equation of the reaction involved.
Balance the following equation .
N2 + O2 → NO
Complete the following equation:
CH4 + O2 —>
In certain reaction an insoluble solid called precipitate is formed. State the colour and name of the precipitate formed in the following reaction involving addition of:
Dilute hydrochloric acid to silver nitrate.
Balance the following simple equation:
Zn + HCl → ZnCl2 + H2
Balance the following simple equation:
KBr + Cl2 → KCl + Br2
Write three steps of writing chemical equations with example?
