CLASS 10 Short Type Questions from Chapter 1 Chemical reaction and equation for ONE WORD TEST PART 1

 Q1) What is an oxidation reaction?

Q2) Define rancidity?

Q3)Why photosynthesis considered as an endothermic reaction?

Q4) Name one synthetic antioxidant.

Q5) Can a double displacement reaction take place when the products are highly soluble or highly ionised ?

Q6) What type of reaction is represented by the digestion of food in our body?

Q7) What does the word aqueous (aq) represent in a chemical reaction?

Q8) Why is the combustion of LPG is a chemical change?

Q9) Identify the mistake: Mg + O ------> MgO

Q10) What is meant by skeletal equation?