Chapter 1: Chemical Reactions and Equations - NCERT Activities

Flashcards covering NCERT key concepts, questions, and reactions from Activity 1.1 and Activity 1.2 in Chapter 1: Chemical Reactions and Equations.

Magnesium Ribbon Cleaning (Activity 1.1)

The cleaning of a magnesium ribbon with sandpaper to remove the protective layer of $MgO$ present on its surface before burning.

Magnesium Oxide ($MgO$)

The white powder formed after burning a magnesium ribbon with a dazzling white flame.

Burning of Magnesium Ribbon Chemical Equation

The chemical equation representing the burning of magnesium ribbon: $2Mg + O_2 \rightarrow 2MgO$.

Lead Nitrate & Potassium Iodide Reaction (Activity 1.2)

A double displacement reaction between lead nitrate and potassium iodide that produces a yellow precipitate.

Lead Iodide ($PbI_2$)

The yellow precipitate formed in Activity 1.2 during the double displacement reaction between lead nitrate and potassium iodide.