Q. Goldsmiths uses aqua regia, which is prepared by mixing
A) Nitric acid and Sulphuric acid 
B) Nitric acid and Hydrochloric acid 
C) Sulphuric acid and Hydrochloric acid 
D) Citric acid and Benzoic acid 

Related Questions

Q. Which acid is used in photography
A) Formic acid 
B) Oxalic acid
C) Citric acid
D) Acetic acid
Q. What is Nila thotha?
A) Copper Sulphate
B)  Calcium Sulphate
C)  Iron Sulphate 
D) Sodium Sulphate
Q. Sodawater-obtained by passing carbon dioxide in water is
A) An oxidising agent  
B) Basic in nature
C) Acidic in nature
D) A reducing agent
Today's Challenging Question
Q. Ajay & Bimal can do a price of work in 10 days, Bimal & Chetan can do in 15 days and Chetan and Ajay in 20 days. They work together for 6 days and then Ajay leaves and now Bimal & Chetan work together for 4 more days. If Bimal leaves, how long will Chetan take to finish the work?
A) 12 days
B) 10 days
C) 16 days
D) none
3 members solved