A. New York
B. The Hague
C. Tashkent
D. Paris

A. total internal reflection
B. diffraction
C. refraction
D. reflection

A. prices of imported goods rise
B. prices of exported goods fall and hence less amount is obtained in terms of foreign exchange
C. prices of imported goods fall and hence more is imported
D. prices of exported goods rise making exports less competitive

A. the money supply is fully controlled
B. deficit financing takes place
C. neither exports nor imports take place
D. only exports take place

A. boil
B. freeze
C. decompose into oxygen and hydrogen
D. not change at all

A. 1990
B. 1991
C. 1992
D. 1993

A. Spain
B. Germany
C. France
D. Greece

A. Exothermic reaction
B. Endothermic reaction
C. Thermal reaction
D. Reversible reaction

A. 20
B. 25
C. 35
D. 50

A. 5
B. 6
C. 11
D. 12

A. None of these
B. it has lost some of its electrons
C. it has lost some of its protons
D. it has acquired some electrons from outside

A. M
B. O
C. F
D. I

A. 7
B. 8
C. 9
D. 5

A. one reading
B. four readings
C. two readings
D. three readings

A. Saline water
B. Cold water
C. Distilled water
D. Warm water