NCERT10•MCQs
+4-1
In the equation 3Fe(s) + 4H₂O(g) → Fe₃O₄(s) + 4H₂(g), what does (g) next to H₂O indicate?
Choose an option
Related Questions
View all →In the reaction 2PbO(s) + C(s) → 2Pb(s) + CO₂(g), which substance is oxidised?
NCERT10
An element 'X' is shiny brown and turns black on heating in air. Identify element 'X'.
NCERT10
What is the primary reason for the change in smell and taste of fats and oils left for a long time?
NCERT10
Balance the equation: NaOH + H₂SO₄ → Na₂SO₄ + H₂O. What is the coefficient for NaOH?
NCERT10
Which of the following is NOT a characteristic observation of a chemical reaction?
NCERT10
The reaction Ca(OH)₂(aq) + CO₂(g) → CaCO₃(s) + H₂O(l) is important for:
NCERT10
What is the chemical formula of the solid residue formed when lead nitrate is heated?
NCERT10
Which of the following is an example of a displacement reaction?
NCERT10
More from NCERT10
View all →In the reaction 2PbO(s) + C(s) → 2Pb(s) + CO₂(g), which substance is oxidised?
NCERT10
An element 'X' is shiny brown and turns black on heating in air. Identify element 'X'.
NCERT10
What is the primary reason for the change in smell and taste of fats and oils left for a long time?
NCERT10
Balance the equation: NaOH + H₂SO₄ → Na₂SO₄ + H₂O. What is the coefficient for NaOH?
NCERT10
Which of the following is NOT a characteristic observation of a chemical reaction?
NCERT10
The reaction Ca(OH)₂(aq) + CO₂(g) → CaCO₃(s) + H₂O(l) is important for:
NCERT10
Practice Other NCERT Exams
Practice More NCERT10 Questions
Explore more questions and study resources