Chemistry - MOST IMPORTANT UPPSC ACF/RFO Previous Year Questions
Practice real questions from previous year exams of UPPSC ACF/RFO.
Which one among the following is used in making lead pencils?
Which of the following black materials has maximum carbon content?
Which among the following substance is called ‘Liquid Gold’?
Which of the following substance is sweetest?
Match list–I with list–II and select the correct answer using the code given below the Lists:
List I
A. Lactic acid
B. Acetic acid
C. Citric acid
D. Butyric acid
List II
- Lemon
- Rancid butter
- Milk
- Vinegar
Match list –I with list – II and select the correct answer using the code given below the Lists:
List I
A. Acetic acid
B. Citric acid
C. Lactic acid
D. Formic acid
List II
- Sting of ant
- Curdling of milk
- Vinegar
- Orange
pH value of a basic solution is always-
Which one of the following is the chemical name for baking soda?
Which of the following compound is called ‘Chinese White’?
Which of the following pair is not correctly matched?
Blue vitriol is used as a-
Which one of the following elements does not occur in a free state in nature?
Which one of the following Noble gas is not present in the air?
German silver is an alloy of
Brass is alloy of
Which of the following compound is called as gammaxene?
Continuous use of urea makes the soil:
‘2 minute maggi noodles’ was banned in India due to found positive in which of the following test?
Match List-I with List-II and select the correct answer: List-I: A. Atomic clock, B. Carbon dating, C. Half life time, D. Sun clock]. List-II: 1. Age of rocks, 2. Accurate time, 3. Radioactivity, 4. Old method of time measuring].