Showing posts with the label chemical changeShow all
what is hydrogen?

what is hydrogen?

Triggerins December 03, 2020 chemical change

Hydrogen

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Which of the following substances undergo chemical changes on heating?

Which of the following substances undergo chemical changes on heating?

Triggerins December 01, 2020 chemical change

NDA / Chemistry 🧪 Lesson 01 PHYSICAL AND CHEMICAL CHANGES. practice exercise 1. Which of the following is a chemical change? (a, Evaporation (c) S…

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What is physical change?Some facts about the physical changes are

What is physical change?Some facts about the physical changes are

Triggerins November 28, 2020 chemical change

NDA / Chemistry 🧪 Lesson 01 PHYSICAL AND   CHEMICAL CHANGES. Generally 1-2 questions are asked from this chapter. Question…

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