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Practice Chemistry | Chemical Reaction on Bissoy — browse topics below and open any question.
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Questions
Which statement is not true?
ক
The attackers were suicide bombers too.
খ
Bataclan is the name of a concert hall.
গ
Paris had some similar attacks after World War-II
ঘ
Not all attackers marched into a rock concert
Which of the following is a chemical change?
ক
Conversion of water to ice
খ
Rusting of iron
গ
Crumpling a sheet of aluminum foil
ঘ
Casting silver
Which compound is formed when a Magnesium ribbon is burnt in air?
ক
Magnesium Nitrate
খ
Magnesium Carbonate
গ
Magnesium Oxide
ঘ
Magnesium Nitride
Which of the following is an endothermic reaction?
ক
Absorption of SO<sub>3</sub> in 98% H<sub>2</sub>SO<sub>4</sub>
খ
C + H<sub>2</sub>O = CO + H<sub>2</sub>
গ
Thermal dissociation of iron pyrites
ঘ
Both B and C
Which statement is not associated with nuclear fission?
ক
Neutron-induced nuclear reaction
খ
Energy generation in stars
গ
Source of energy in nuclear reactor that produces electricity
ঘ
Enormous energy is released in an atom bomb
Which is the most reactive metal?
ক
Sodium
খ
Calcium
গ
Iron
ঘ
Potassium
Which chemical was an important symbol in our struggle for freedom?
ক
Glucose
খ
Fertiliser
গ
Medicine
ঘ
Sodium chloride