Deficiency of fluoride leads to which one of the following health problems?
Tooth caries
In paper manufacturing, degumming of the raw material is done using
Which one of the following acids is produced in human stomach?
The number of water molecules associated with copper sulphate molecule to form crystals is
Which one of the following oxides shows both acidic and basic behaviour?
Which one of the following acids is also known as Vitamin C?
How many moles of CO can be obtained by reacting 2.0 mole of CH 4, with 2.0 mole of O 2, according to the equation given below?
\(C{H_4}\left( g \right) + \frac{1}{2}{O_2} \to CO + 2{H_2}\)
To test whether something is acidic or alkaline, we can use either a litmus paper or _______
A stain of curry on a white cloth become reddish brown when soap is used because the soap is:
Bitter tasting food is ______ in nature.
Which of the following statements is true?
In a neutralisation reaction, a new substance is formed, called _____.