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Andhra Pradesh SSC (Class 10) Mole Concept and Stoichiometry — practice questions

Explore 30 free Mole Concept and Stoichiometry questions in Andhra Pradesh SSC (Class 10) Science and Technology. Open each question or exercise to read its content, reference answers and available explanation.

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Mole Concept and Stoichiometry questions and exercises with answers

Showing questions 1–30 of 30.

Judge these mole and gas claimsRead the answer and worked solution →Match mole facts to their valuesRead the answer and worked solution →Sort the samples that are one moleRead the answer and worked solution →Avogadro's number is:Read the answer and worked solution →One mole of any gas at STP occupies:Read the answer and worked solution →The molar mass of CO2 is approximately:Read the answer and worked solution →Number of molecules in 0.5 mole of N2 is:Read the answer and worked solution →How many moles are in 36 g of water?Read the answer and worked solution →Volume of 2 moles of O2 at STP is:Read the answer and worked solution →Number of atoms in one mole of helium is:Read the answer and worked solution →Number of moles in 88 g of CO2 (molar mass 44) is:Read the answer and worked solution →Empirical formula of glucose (C6H12O6) is:Read the answer and worked solution →Molar mass of NaCl is approximately:Read the answer and worked solution →How many grams of CO2 are produced when 12 g of carbon burns completely?Read the answer and worked solution →Density of methane gas (CH4) at STP:Read the answer and worked solution →How many moles of HCl are in 100 mL of 0.5 M HCl?Read the answer and worked solution →Total atoms in one mole of H2O are:Read the answer and worked solution →From the equation 2H2 + O2 -> 2H2O, the number of moles of H2O formed from 2 moles of H2 is:Read the answer and worked solution →What is the molar mass of (NH4)2SO4?Read the answer and worked solution →If 4 moles of A react with 6 moles of B as 2A + 3B -> 2C, which reactant is in excess?Read the answer and worked solution →Mass of 1 atom of carbon (atomic mass 12) is approximately:Read the answer and worked solution →Which contains the LARGEST number of atoms?Read the answer and worked solution →The volume of 7 g of nitrogen (N2, molar mass 28) at STP is:Read the answer and worked solution →How many oxygen atoms are present in 49 g of H2SO4 (molar mass 98)?Read the answer and worked solution →What is the percentage of hydrogen in water (H2O)?Read the answer and worked solution →How many moles of water are in 1 L at 4 C? (Density of water = 1 g per mL, molar mass H2O = 18)Read the answer and worked solution →If 2 g of hydrogen reacts with 16 g of oxygen, what is the limiting reagent?Read the answer and worked solution →Pop the samples worth one moleRead the answer and worked solution →Pick the bigger mole amountRead the answer and worked solution →Find the wrong figure in each sumRead the answer and worked solution →

Worked practice questions

Judge these mole and gas claims

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Questions
  1. Statement is true
    Yes
    Statement
    Avogadro's number is approximately 6.022 × 10²³.
  2. Statement is true
    Yes
    Statement
    One mole of any gas at STP occupies 22.4 litres.
  3. Statement is true
    Yes
    Statement
    Molar mass equals atomic mass in grams for an element.
  4. Statement is true
    No
    Statement
    One mole of water contains 6.022 × 10²³ atoms.
Instructions
Tap true or false for each claim about moles, molar mass and gas volume.

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Match mole facts to their values

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Matching pairs
  1. Left
    Avogadro's number
    Right
    6.022 × 10²³
  2. Left
    Molar volume at STP
    Right
    22.4 litres
  3. Left
    Molar mass of H₂O
    Right
    18 g per mol
Instructions
Tap a mole quantity, then tap the number or mass that goes with it.

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Sort the samples that are one mole

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Items
  1. Item
    18 g of water
    Answer
    left
  2. Item
    44 g of CO₂
    Answer
    left
  3. Item
    32 g of O₂
    Answer
    left
  4. Item
    10 g of H₂O
    Answer
    right
  5. Item
    100 g of CO₂
    Answer
    right
  6. Item
    64 g of O₂
    Answer
    right
Categories
Left
1 mole each
Right
Not 1 mole each
Instructions
Swipe each sample left for 1 mole each or right for Not 1 mole each.

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