science ppt 10th class chemical reactions by jeyasuriya
DESCRIPTION
Types of chemical reactions and its equation.TRANSCRIPT
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Science Powerpoint Presentation
Chemical Reactions
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Ramco Vidyalaya SUPER KINGS
R.Jeya suriya
M.S.Perianayagam
B.Sree ram
Presents
Chemical Reactions
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Types of Chemical Reaction
Topic:
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First let us start with the basic part of chemistry
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Chemical changePhysical change
Types of changes
Physical changes are concerned with energy and states of matter.
A physical change does not produce a new substance. Changes in state or phase
EG
Chemical change is any change that results in the formation of new chemical substances.
At the molecular level, chemical change involves making or breaking of bonds between atoms
EG
What means:
A physical & chemical change?
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EG
A chemical reaction is a process that leads to the transformation of one set ofchemical substances to another
CHEMICAL REACTION
Let us see about the chemical reactions
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Let us see and enjoy some animation in chemical reactions for better under standing
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Examples of chemical reaction
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See it
Have you ever seen the bursting of a cracker near to it?
See it
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Types of Chemical Reaction
Combination reaction
Decomposition reaction
Single displacement reaction
Double displacement reaction
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Different types of chemical reactions..
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1.Combination Reaction2.Decomposition Reaction3.Displacement Reaction4.Doubledisplacement Reaction5.Oxidation6.Reduction7.Redox8.Endothermic Reaction9.Exothermic reaction
Types
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1.Combination reaction
A combination reaction is a reaction where two reactants are combined into one product. Those reaction in which two or more elements or compounds combine together to form a single compound are called combination reaction.
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Pictures of combination reation
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Barium metal and fluorine gas will combine in a highly exothermic reaction to form the salt barium fluoride: Ba + F2→BaF2
Magnesium oxide combining with carbon dioxide to produce magnesium carbonate.MgO+ CO2→MgCO3
Iron combining with Sulphur to produce Iron(II) Sulfide. Fe+ S→FeS
The combustion of magnesium metal is also a combination reaction as it releases magnesium oxide and energy. 2Mg+O2→2MgO + Heat
Examples of combination reaction
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For better under standing let us see this animation on examples of combination reaction
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Let us see and enjoy a cartoon of combinaion reaction
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See the animation of combination reactions
You can see that OXYGEN reacts with HYDROGEN & form WATER
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2.Decomposition reaction
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Next we can see about decomposition reaction
Decomposition reaction
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3.Displacement Reaction
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Displacement Reaction---
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Double Displacement Reactions
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Redox Review
• Redox reactions: electron transfer processes
• Oxidation: loss of 1 or more e-
• Reduction: gain of 1 or more e-
• (Balancing redox reactions)
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Oxidation
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Oxidation
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Reduction
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Reduction
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Redox
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Endothermic
reaction
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Exothermic reaction
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Photosynthesis reaction.
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Teachers & Classmates
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Bibliography:-----------
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/+Ramcovidyalaya
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The amazing Powerpoint
presentation slides well done by:
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Periyanayagam.M.SJeyasuriya.R
Sreeram.B
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