Science Chemistry[Chemical reaction and equation] Flashcards

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1
Q

WHAT IS A CHEIMCAL REACTION

A

CHEMICAL REACTION IS A CHEMICAL CHANGE WHICH IS PREMENATE AND COULD NOT BE REVERSIBLE.

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2
Q

WHAT IS A CHEMICAL EQUATION?

A

CHEMICAL EQUATION IS A REPRESENTATION OF CHEMICAL REACTION IN WORDS AND SYMBOLS IT IS A REPRESENTATION IN WHICH THE REACTION IS PRESENTING IN WORDS OR SYMBOL FORMAT.

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3
Q

WHAT DID YOU KNOW ABOUT DECOMPOTION REACTION?

A

DECOMPOTION REACTION IS A REACTION IN WHICH THIER IS ONLY ONE REACTANT BUT MORE THAN ONE PRODUCT. EG Pb(NO3)2 –> PbO2 + NO2 + O2

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4
Q

WHAT IS COMBINATION REACTION? EXAMPLES OF THIS TOO

A

COMBINATION REACTION IS A TYPE OF REACTION IN WHICH THIER ARE MORE THAN ONE REACTANT BUT SINGLE PRODUCT IS FORMED. EG: Ca(OH)2 + CO2–> CaCO3

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5
Q

GIVE THE ALL TYPES OF DECOMPOTION REACTION ?

A

1)PHOTO(SUNLIGHT)
2)ELECTRICITY
3)THERMIAL(HEAT)

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6
Q

WHAT DO YOU KNOW ABOUT DISPLACEMENT REACTION?

A

DISPLACEMENT REACTION IS A TYPE OF REACTION IN THE HIGHER REACTIVE METAL REPLACE THE LOWER REACTIVE METAL IN ITS COMPOND.

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7
Q

DOUBLE DISPLACEMENT REACTION EXPLAIN?

A

DOUBLE DISPLACEMENT REACTION IS A EXCHANGE OF IONS BETWEEN TWO COMPONDS IN AN AQUEOUS SOULTION.

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8
Q

WHAT IS REDOX REACTION?

A

WHEN BOTH OXISIDION AND REDUCTION REACTIONS HAPPENDED IN A CHEMICAL REACTION THAT IS KNWON AS REDOX REACTION.

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9
Q

WHAT IS CORROSION?

A

CORROSION IS A PROCESS IN WHICH METAL S ARE ATTACKED BY THERE SURROUNDINGS LIKE MOSTURE AND AIR.

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10
Q

WHAT IS RANCIDITY

A

RANCIDITY IS THE PROCESS IN WHICH THE FATS AND OIL OF A FOOD GET OXIDIEDS

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11
Q

WHY WE NEED TO BALANCE A CHEMICAL EQUATION?

A

WE NEED TO BALANCE THE CHIMECAL EQUATION BECAUSE TO FOLLOW THE LAW OF CONVERSATION OF MASS WHICH STATES THAT MASS CAN NEITHER BE CREATED NOR BE DESTORYED.

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