What is the full form of PVC?
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Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
The number of free electrons in the outermost shell of carbon atoms in diamand is
Which of these cities located in the state of Gujarat is famous for its diamond industry?
Which of the following is a symptom of haemophilia?
Blood leaving the liver and moving towards the heart has a higher concentration of _____ .
_________________ is a drug that makes your heart work more slowly, used for treating high blood pressure.
What is the chemical name of chalk?