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chemical造句
(31) The chemical companies are poisoning our rivers with effluent. (32) The chemical formula for water is H 2 O. (33) He gained a doctorate in Chemical Engineering. (34) O is the chemical symbol for oxygen. (35) What's the chemical symbol for mercury? (36) Chemical seepage has caused untold damage. (37) The Government has banned the use of chemical weapons. (38) Some minerals have complex chemical compositions. (39) This chemical has a wide range of industrial uses. (40) Coal forms by a slow process of chemical change. (41) This chemical is toxic to many forms of life. (42) Fire spread rapidly after a chemical truck exploded. (43) Chemical analysis revealed a high content of copper. (44) All chemical weapons facilities will be deactivated. (45) Nobody should be trumpeting about chemical weapons. (46) What is the chemical symbol for copper? (47) Sodium chloride is the chemical name for common salt. (48) A massive explosion ripped through the chemical works. (49) The chemical properties of coal are still incompletely understood. (50) Fe is the chemical symbol for iron. (51) Chemical products were used liberally over agricultural land. (52) The quantity of chemical pollutants has increased exponentially. (53) H2O is the chemical formula for water. (54) The chemical companies had amalgamated into a vast conglomerate. (55) The chemical dissolves into its constituent parts when heated. (56) The chemical fertilizer should be well dug in. (57) What's the chemical constitution of the dye? (58) The chemical reaction solidifies the resin. (59) Chemical weapons are banned internationally. (60) We should follow their lead in banning chemical weapons.