Red Litmus paper turns blue. The solution is _______ .
Alkaline
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15
I am a mixture of indicator dyes, help to know if the solution is acidic or alkaline.
Who am I ?
Universal Indicator
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boom
Lose 50 points!
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seesaw
Swap points!
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rocket
Go to first place!
Okay!
thief
Give points!
5
10
15
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25
15
Sulfur trioxide + water ---> Sulfuric acid. Explain this equation.
Acidic oxides react with water to produce acids.
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15
Differentiate between metal and non - metal oxides.
METAL OXIDES - SOLID AT ROOM TEMPERATURE, FORM ALKALINE SOLUTIONS
NON - METAL OXIDES - GASES A ROOM TEMPERATURE, FORM ACIDIC SOLUTIONS
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15
Aqueous HCl is acidic because of oxygen ions. True/False
False (H+ ions)
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heart
Other team wins 10 points!
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rocket
Go to first place!
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shark
Other team loses 25 points!
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banana
Go to last place!
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15
WHAT IS AN ACID?
SOUR TASTE, STINGING FEELING, CORROSIVE, pH < 7, PRODUCES HYDROGEN IONS IN WATER, CAN CONDUCT ELECTRICITY
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15
What are these and why are they used?
These are antacids and they neutralize the excess acid in our stomach and reduce the effects like headaches, pain or burning.
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15
Define an oxide.
An oxide is a compound of oxygen and another element.
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15
Sulfuric acid is a _____________ acid and Citric acid is an ___________ acid.
Mineral, Organic
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15
Descaling of kettles can be done by vinegar and sulfuric acid.
TRUE/FALSE (CORRECT IF FALSE)
FALSE ( VINEGAR AND METHANOIC ACID)
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15
What is the difference between an acidic and alkaline solution?
Acidic (H+) Alkaline (OH-) ions
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15
"Brush your teeth 2-3 times daily" - Something we do daily, explain in detail why?
Sugars from the food we eat, feed bacteria which make acids which are corrosive, they start damaging our tooth surfaces, leading to tooth decay. Toothpaste...
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15
Bee Sting - pick the correct answer (lemon juice, calamine lotion, dock leaves)