The following one is used to measure liquids In laboratory....
The following one is used to measure time in the laboratory.
10 ml of a gaseous hydrocarbon is mixed with excess of oxygen and burnt . The gases are then cooled back . The reduction in volume was 25 ml . When the gases are passed into caustic potash , there is a further reduction in volume of 30 ml . If all volumes are measured under the laboratory conditions , the hydrocarbon is
How is nitrogen prepared in the laboratory ? Write the chemical equations of the reactions involved.
How can you prepare Hydrogen in the laboratory by a simple experiment ? With which test do you confirm the presence of Hydrogen ?
How do you measure rainfall?
How is chlorine prepared in the laboratory and on a commercial scale?
How is chlorine prepared in the laboratory ? How does it react with the following ? Iodine
How is chlorine prepared in the laboratory ? How does it react with the following ? Iron
Phosphine on decomposition produces phosphorus and hydrogen. When 100 ml of phosphine are decomposed the change in volume under laboratory conditions is