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Topics/General Science/Chemistry

Acid, Base & Salt

9 questions

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Q.1U.P.P.C.S. (Mains) 2014
MCQ

Goldsmiths uses aqua regia, which is prepared by mixing –

Q.2U.P. Lower Sub. (Pre) 2002
Match

Match the following lists by using codes given below. Select the correct answer? List-I List - II A. Washing soda 1. Sodium Hydroxide B. Caustic soda 2. Copper Sulphate C. Neela thotha 3. Sodium Thiosulphate D. Hypo 4. Sodium Carbonate Code : A B C D

Q.3U.P. R.O./A.R.O. (Mains) 2016, 2021
Match

Match List-I with List-II and select the correct answer from the code given below the lists. List-I List-II A. Bleaching powder 1. Sodium bicarbonate B. Baking soda 2. Sodium carbonate C. Washing powder 3. Calcium oxychloride D. Plaster of Paris 4. Calcium sulphate hemihydrate Code : A B C D

Q.4U.P.R.O./A.R.O. (Pre) 2014
MCQ

Which one of the following salts should not be used as dining table salt?

(a) Iodized salt
(b) Sea salt
(c) Rock salt
(d) Processed common salt
Q.5U.P.U.D.A./L.D.A. (Spl.) (Mains) 2010
MCQ

Which chemical compound is present in Bleaching Powder?

Q.6U.P.P.C.S. (Mains) 2010
MCQ

Which one of the following substances is used in photography and also as an antichlor?

Q.7U.P.R.O./A.R.O. (Pre) 2014
MCQ

The chemical used as fixer in the photography is –

Q.8U.P.P.C.S. (Mains) 2015
MCQ

Which one of the following is coated on the photographic plate?

Q.9U.P.P.C.S. (Pre) 2019
MCQ

Which one of the following is NOT correctly matched? (Substance) (Use)