In countries where the temperature falls below 273K, salt...
In countries where the temperature falls below 273K, salt is always sprinkled on the icy road in order to
lower the melting point of the ice
increase the density of the ice
make the ice impure
raise the melting point of the ice
Correct answer is A
The presence of impurities in a substance lowers the melting point. Salt is added on icy roads to cause the ice to melt on time.
Which of the following processes is an endothermic reaction? ...
The following non-metal form acidic oxides with oxygen except? ...
The lanthanides and actinides are located in which block of the periodic table? ...
Neutralization involves a reaction between H3O+ and?...
Which property of a reversible reaction is affected by a catalyst? ...
In a water body, too much sewage leads to ...
For a gas, the relative molecular mass is equal to 2Y. What is Y? ...
Which of the following is a common property of non-metals? ...