تسجيل الدخول
Cambridge English: CAE (C1 Advanced) - العمليات الكيميائية والمواد
مراجعة
بطاقات الفلاش
الهجاء
اختبار قصير
to increase the velocity of something
يعجل, يزيد من سرعة
(of a solid) to become one with a liquid
يذوب, يُذيب
a light silver-gray metal used primarily for making cooking equipment and aircraft parts
الألومنيوم, الألومنيوم
a metallic chemical element that has a red-brown color, primarily used as a conductor in wiring
النحاس, المعدن الأحمر
a heavy soft metal, used in making bullets, in plumbing and roofing, especially in the past
رصاص, معدن ثقيل
a type of powder that is explosive, used in making bullets, bombs, etc.
بارود, بارود أسود
an explosive that is very powerful
الديناميت, مادة متفجرة قوية جدًا
a device that produces a powerful and concentrated beam of light that can be used in medical procedures, for cutting metal objects, etc.
ليزر, شعاع الليزر
a machine that produces electricity by converting mechanical energy into electrical energy
مولد, المولد الكهربائي
to become gas or vapor from liquid
يتبخر, يتطاير
to take something out from something else, particularly when it is not easy to do
استخراج, إزالة
an inner protective layer applied to the interior surface of an object to shield it from wear, moisture, or damage
بطانة, طبقة داخلية
a part that combines with others to form a larger whole, often separable and functional within a system
مكون, عنصر
a poisonous substance, especially one produced by living organisms, that can cause harm or illness when introduced into a living organism
سم
a small remaining amount or part of a thing after it has been taken, used, etc.
بقايا, متبقي
a chemical substance that is harmful or poisonous to living organisms
مادة سامة, مادة سُمّية
the process or state of breaking apart or losing structural integrity
| Cambridge English: CAE (C1 Advanced) |
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