Chemistry
Grade-10
Easy
Question
The gasses that can be used for the storage of food products are
- Carbon dioxide or oxygen
- Helium or nitrogen
- Nitrogen or oxygen
- Carbon dioxide or helium
Hint:
Helium and nitrogen both are inert.
The correct answer is: Helium or nitrogen
- Certain food items react with carbon dioxide and oxygen.
- Helium and nitrogen both are inert.
- Helium and nitrogen can be used for the storage of food products.
Related Questions to study
Chemistry
The condition produced by aerial oxidation of fats and oils in foods marked by unpleasant smell and taste is called:
The condition produced by aerial oxidation of fats and oils in foods marked by unpleasant smell and taste is called:
ChemistryGrade-10
Chemistry
Among the following that is not a method to prevent corrosion?
Among the following that is not a method to prevent corrosion?
ChemistryGrade-10
Chemistry
What are the coefficients that would properly balance this equation?
__Ca + __H2O → __Ca(OH)2 + __H2
What are the coefficients that would properly balance this equation?
__Ca + __H2O → __Ca(OH)2 + __H2
ChemistryGrade-10
Chemistry
How many aluminum atoms are in Al2(SO4)3?
How many aluminum atoms are in Al2(SO4)3?
ChemistryGrade-10
Chemistry
Is this equation balanced?
![](data:image/png;base64,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)
Is this equation balanced?
![](data:image/png;base64,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)
ChemistryGrade-10
Chemistry
The big/regular sized numbers in a chemical formula:
(the RED numbers)
![](data:image/png;base64,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)
The big/regular sized numbers in a chemical formula:
(the RED numbers)
![](data:image/png;base64,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)
ChemistryGrade-10
Chemistry
The small numbers in a chemical formula:
(the BLUE numbers)
![](data:image/png;base64,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)
The small numbers in a chemical formula:
(the BLUE numbers)
![](data:image/png;base64,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)
ChemistryGrade-10
Chemistry
"Solid zinc oxide is produced by combining zinc powder with oxygen gas." What is the correct skeleton equation for this reaction?
"Solid zinc oxide is produced by combining zinc powder with oxygen gas." What is the correct skeleton equation for this reaction?
ChemistryGrade-10
Chemistry
"Solid zinc oxide is produced by combining zinc powder with oxygen gas." What is/are the reactant(s)?
"Solid zinc oxide is produced by combining zinc powder with oxygen gas." What is/are the reactant(s)?
ChemistryGrade-10
Chemistry
Potassium iodide is a catalyst in a chemical reaction; where would this be placed when writing the chemical reaction?
Potassium iodide is a catalyst in a chemical reaction; where would this be placed when writing the chemical reaction?
ChemistryGrade-10
Chemistry
Balance the equation:
Si(OH)4+NaBr → SiBr4+NaOH
Balance the equation:
Si(OH)4+NaBr → SiBr4+NaOH
ChemistryGrade-10
Chemistry
Which is a balanced equation?
Which is a balanced equation?
ChemistryGrade-10
Chemistry
Which of the following shows the correct way to balance the chemical equation?
Fe + O2 → Fe2O3
Which of the following shows the correct way to balance the chemical equation?
Fe + O2 → Fe2O3
ChemistryGrade-10
Chemistry
Fill in the blanks with a coefficient:
_ HCl + H3PO4 → PCl5 +_ H2O
Fill in the blanks with a coefficient:
_ HCl + H3PO4 → PCl5 +_ H2O
ChemistryGrade-10
Chemistry
When balancing an equation...
When balancing an equation...
ChemistryGrade-10