人教版九年级化学上下册单元测试(1-12单元)(国外英语资料).doc

人教版九年级化学上下册单元测试(1-12单元)(国外英语资料) One volume unit version grade nine chemistry test Unit 1 goes into the Chemistry World First, the multiple-choice question: 1, the following statement is incorrect A, when the experiment, with the remaining drugs should be put back to the original reagent bottle, so as not to waste B, when the experiment, if it does not explain the amount of liquid drugs, should take 1~2 mL C, when heated to test tubes, the test tube should be 45 degrees to the table top D, the amount of cylinder measuring liquid, should make the lowest concave surface of the liquid and the cylinder of the sight level A, B, C, D 3. The following tips are related to Chemistry Fireworks, plastic products, liquefied gas, cooking, medicine and medicine A, B, C, D, and so on 4, with a solid heating tube, due to incorrect operation and test tube crack phenomenon, the reason may be () A, before heating, the outer wall of the test tube was dried B, uneven heating, and the local temperature was too high C, tube mouth slightly downward tilt, D, test tube clip in the upper part of the tube 5. The following description of the properties of copper, which belongs to the chemical property, is ( A, copper is generally red, B, copper can conduct electricity, C, copper can heat transfer, D, copper in humid air, easy to form patina 6, bluestone is a blue crystal, when heated to vitriol loses water of crystallization, a white solid copper sulfate, copper, copper refining industry in other application blocks. The vitriol description relates to (no) A process; B; physical properties; C; chemical properties; D uses 7, some glass instruments, in order to ensure the tightness of the contact surface of the glass, often at sanding (also called scrub), the instrument has been sanding process is () A, a B, C, D, the set of cylinders beaker flask 8, read a volume of liquid, a classmate overlooking a reading of 20 mL, the actual (for) A, greater than 20 ml B, less than 20 ml C, 20 ml D, cannot be