1. Packaged foods are purged with nitrogen gas in order to prevent their oxidation.
2. Tooth decay starts when pH of the mouth is lower than 5.5.
3. The reactivity of metals decreases in the order : Mg > Fe > Zn.
Which of the statements given above is/are not correct ?
3 only
Let's analyze the given statements one by one to determine which is/are not correct:
Based on the analysis above, the statement that is not correct is:
Therefore, the correct answer is 3 only.
Potassium nitrate is not used:
Which of the following is/are the example/examples of chemical change?
(1) Crystallization of sodium chloride
(2) Melting of ice
(3) Souring of milk
Select the correct answer using the code given below.
Aspartame is an artificial sweetener sold in the market. It consists of amino acids and provides calories like other amino acids. Yet, it is used as a low-calorie sweetening agent in food items. What is the basis of this use?
Photochemical smog is a resultant of the reaction among
The decomposition of gaseous Ammonia on a hot platinum surface is a _______________ order reaction at high pressure.