List of top Chemistry Questions on General Principles and Processes of Isolation of Elements asked in NEET (UG)

The reaction that does NOT take place in a blast furnace between 900 K to 1500 K temperature range during extraction of iron is? 

Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?
Which one is malachite from the following ?
Which one of the following is a mineral of iron?
You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of them will you not use for the purpose?
The method of zone refining of metals is based on the principle of: