The reaction between baking soda and lemon juice is a chemical change because (i) a new substance— a gas, carbon dioxide is formed. (ii) the reaction is irreversible.
The reaction between baking soda and lemon juice is a chemical change because
(i) a new substance— a gas, carbon dioxide is formed.
(ii) the reaction is irreversible.
(a) The maximum temperature of the day is usually recorded in the afternoon. (b) The minimum temperature of the day is usually recorded in the early morning.
(a) The maximum temperature of the day is usually recorded in the afternoon.
(b) The minimum temperature of the day is usually recorded in the early morning.
When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas. What type of change is it? Explain.
The reaction between baking soda and lemon juice is a chemical change because (i) a new substance— a gas, carbon dioxide is formed. (ii) the reaction is irreversible.
The reaction between baking soda and lemon juice is a chemical change because
See less(i) a new substance— a gas, carbon dioxide is formed.
(ii) the reaction is irreversible.
Which of the two changes frequently, weather or climate?
Weather changes frequently.
Weather changes frequently.
See lessWhen are the maximum and minimum temperatures likely to occur during the day?
(a) The maximum temperature of the day is usually recorded in the afternoon. (b) The minimum temperature of the day is usually recorded in the early morning.
(a) The maximum temperature of the day is usually recorded in the afternoon.
See less(b) The minimum temperature of the day is usually recorded in the early morning.