. Describe any five ways to keep a house clean. How should we take care of our clothes.
Why are dark-coloured clothes preferred in winter?

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?