gk questions 2013
Some selected gk questions from our Online Gk. These questions are shared by our visitors.
1. Density of water is maximum at which temperature ?
Answer: 4 oC
2. Which is the most abundant noble gas in atmosphere?
Answer: Argon
3. Which of the following is used to remove rust stain from clothes ?
a) lime water b) alcohol c) Oxalic acid d) Kerosine
Answer: Oxalic acid
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