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1291. Which of the following is used to coagulate synthetic fibres from solution ?
A. Hydrochloric acid
B. Sulphuric acid
C. Nitric acid
D. None of these
Explanation:
1292. When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together ?
A. Hydrogen bond formation
B. Vander walls forces
C. Covalent attraction
D. Dipole interaction
Explanation:
1293. The first successful heart transplant in India was performed by :
A. Dr. Venugopal
B. Dr. Caroli
C. Dr. Padmavati
D. Dr. Dastur
Explanation:
1294. Which of the following are fresh water fish ? 1. Rohu 2. Pomphret3. Catla 4. Eel
A. 1 and 2
B. 2 and 3
C. 1 and 3
D. 2 and 4
Explanation:
1295. Plant identical to mother plant can be had from :
A. seeds
B. stem cutting
C. both of these
D. none of these
Explanation:
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