EXERCISE
1. Answer the following questions.
a What is a chemical reaction? Mention its types.<...
EXERCISE
1. Answer the following questions.
a What is a chemical reaction? Mention its types.
b. Explain the following types of chemical reaction with one exa
i. Addition reaction
ii. Decomposition reac
iii. Displacement reaction.
c. What are the conditions required for the decomposition reacti
d. What is acid-base reaction? Why is it also called neutralizati
e. What is the chemical reaction in which the exchange of e
electronegative ions occurs in aqueous solution? Write one e
fy Explain why the double displacement reaction is also
decomposition reaction.
g What is the state of reactant and products like in the double dec
h, How does the application of heat increase the rate of a chemic
with examples.
i. What is the effect of the surface area of reactants on the ratec
Explain with examples.
i What is a catalyst? Write its type with examples.
k. Differentiate between
Positive catalyst and negative catalyst.
ii. Exothermic reaction and endothermic reaction.
2. Complete the following reactions and also mention their ty
Answers: 1
Biology, 22.06.2019 03:00, pineapplepizaaaaa
What happens during interphase? (1)the nucleus grows to its full size. (2)the cell grows to its full size. (3)the nucleus divides into two nuclei. (4)the cell divides into two cells.
Answers: 1
Biology, 22.06.2019 04:00, belle200163
Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them
Answers: 1
Social Studies, 10.01.2020 10:31
History, 10.01.2020 10:31
Mathematics, 10.01.2020 10:31