Question
The conversion of hard water into soft water by boiling
or adding calcium hydroxide is called:Solution
Clarkeās process involves adding calcium hydroxide to hard water to remove calcium and magnesium ions, thus softening the water.
According to Newtonās second law of motion, the acceleration of an object is directly proportional to the
A day is considered a rainy day when it receives a rainfall of:
A liquid of density Ļ is rotating in a cylindrical vessel with constant angular velocity Ļ. The free surface of the liquid takes the shape of:
After rising a short distance the smooth column of smoke from a cigarette breaks up into an irregular and random pattern. In a similar fashion, a stream...
Tungsten is used for the construction of filament in an electric bulb because of itsĀ
Stereo was invented by Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā .
What is the principle behind the operation of a washing machine?
Which device is used to measure atmospheric pressure?
The unit of electric current is:
A nucleus X of mass number 238 undergoes 3 Ī±-decays and 2 Ī²ā»-decays successively. The mass number and atomic number of the resulting nucleus Y are:...
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