Advertisements
Advertisements
Question
What is the chemical name of dry ice ?
Solution
The chemical name of dry ice is carbon dioxide. It is the solid form of CO2.
APPEARS IN
RELATED QUESTIONS
Convert the following temperature to the celsius scale.
470 K
Convert the following temperature to the Kelvin scale.
373°C
Which contains more heat, 1 kg of ice of 0° C or 1 kg of water at 0° C ? Give reason for your answer.
Define the following term Boiling.
Define Intermodular force of attraction
Give reasons:
How is interconversion of states of matter different from chemical reaction?
Fill in the blanks:
The molecules are at a greater distance in ______ compared to liquids.
In the paragraph below, write ‘solid’, ‘liquid’ or ‘gas’ in each of the brackets depending on the substance referred to just before.
On a bright sunny day, Riya and Gargi are playing with a ball ( ) in the park. Gargi feels thirsty. So, Riya brings tender coconut water ( ) for her. At the same time, a strong breeze ( ) starts blowing and it also begins to rain ( ). They run back into the house ( ), change their clothes ( ), and then their mother gives them a cup ( ) of hot milk ( ) to drink.
State whether the following statement is true or false. If false write the correct statement.
During physical changes, the composition of the original substance is not altered, but the properties of the original substance are altered.
Complete the blank with reference to interconversion of matter on the basis of kinetic theory-with the word ‘increase’, ‘decreases’, ‘gain’, ‘lose’, or ‘overcome’ in the following case.
During vaporization, the liquid particles ____________ energy.