Chemical in a sentence 🔊

Definition of Chemical

Of or relating to chemistry. | Of or relating to a material or processes not commonly found in nature or in a particular product. | (obsolete) Of or relating to alchemy.

Short Example Sentence for Chemical

  • 1. Give two or more characteristics of a chemical change. 🔊
  • 2. This is the simplest kind of chemical action. 🔊
  • 3. Chemical affinity is always the cause of chemical union. 🔊
  • 4. Mechanical and Chemical Engineer. 🔊
  • 5. Is a physical change always accompanied by a chemical change? 🔊
  • 6. Is a chemical change always accompanied by a physical change? 🔊
  • 7. The same change can also be brought about by certain chemical processes. 🔊
  • 8. The most important chemical properties of nitric acid are the following. 🔊
  • 9. A chemical compound in the form of a liquid has a definite boiling point. 🔊
  • 10. It was a huge parachute, to which had been attached a powerful chemical light. 🔊
  • 11. So of electrical and chemical apparatus, and many the like things. 🔊
  • 12. Give two additional examples (a) of chemical changes; (b) of physical changes. 🔊

How to use Chemical in Sentence?

  • 1. Other properties are only discovered when the substance undergoes chemical change. 🔊
  • 2. Electrolytic hazards depend not on the heating effects of currents but on their chemical effects. 🔊
  • 3. The energy of this current is derived from the chemical action of the acid on the zinc. 🔊
  • 4. When a chemical change takes place in a substance the substance is said to undergo a reaction. 🔊
  • 5. In general it has been found that in every chemical action heat is either absorbed or given off. 🔊
  • 6. Stall-feeding makes sperm-mills of the cattle, and converts the stable to a chemical factory. 🔊
  • 7. The electrical charge, therefore, greatly modifies the usual chemical properties of the element. 🔊
  • 8. Sometimes these agencies may overcome chemical attraction and so occasion the decomposition of a compound. 🔊
  • 9. Although chemical equations are quantitative, it must be clearly understood that they are not algebraic. 🔊
  • 10. The chemical action between an acid and a base is not always as complete as has been represented in the foregoing paragraphs. 🔊
  • 11. It has thus been found that elements at extremely low temperatures largely lose their chemical activity. 🔊
  • 12. When a given substance undergoes a chemical change it is possible to represent this change by the use of such symbols and formulas. 🔊
  • 13. If it were a chemical compound, the ratio of oxygen to nitrogen would not be changed by solution in water. 🔊
  • 14. Many agencies may make it possible for chemical affinity to act by overcoming circumstances which stand in its way. 🔊
  • 15. We shall see later that the two also differ in that the composition of a chemical compound never varies. 🔊
  • 16. Give examples of chemical changes which are produced through the agency of heat; of light; of electricity. 🔊
  • 17. A radical is a group of elements forming part of a molecule, and acting as a unit in chemical reactions. 🔊
  • 18. A more careful study of the physical as well as the chemical properties of a soil must precede intelligent experimentation in rotation. 🔊
  • 19. The media of the motion are certain chemical matters, for we recognise none but chemical matter in bodies. 🔊
  • 20. When sodium nitrate is treated with concentrated cold sulphuric acid, no chemical action seems to take place. 🔊
  • 21. Their experiments, as well as all succeeding ones, have shown that the composition of a pure chemical compound is always exactly the same. 🔊
  • 22. When perfectly dry sulphuric acid is treated with perfectly dry sodium hydroxide, no chemical change takes place. 🔊
  • 23. The temperature reached in a given chemical action, such as oxidation, depends upon the rate at which the reaction takes place. 🔊
  • 24. It is a new substance with new properties, resulting from the chemical union of iron and sulphur, and is called iron sulphide. 🔊
  • 25. The question arises, Do these substances in turn contain other substances, that is, are they also chemical compounds? 🔊
  • 26. A chemical compound is a substance the constituents of which have lost their own characteristic properties, and which cannot be separated save by a chemical change. 🔊
  • 27. These simple calculations are possible because the symbols and formulas in the equations represent the relative weights of the substances concerned in a chemical reaction. 🔊
  • 28. By adopting a suitable unit for the measurement of heat, the heat change during a chemical reaction can be expressed in the equation for the reaction. 🔊