Air is hetrogenious coz air can mix with every substance
Natural air is always a mixture, and more or less homogenous in its major constituents. However, if the balloon was inflated by mouth, it will have less oxygen and more carbon dioxide than the air outside the balloon, which is also a mixture.
A polluted water may be a homogeneous or a heterogeneous mixture.
No, it is a mixture; rarely a drug is a pure substance.
pure substance?
Air is a mixture.
Air is a mixture.
a air polluted place is a place in which air is polluted in India Delhi is the most polluted
Air is hetrogenious coz air can mix with every substance
Natural air is always a mixture, and more or less homogenous in its major constituents. However, if the balloon was inflated by mouth, it will have less oxygen and more carbon dioxide than the air outside the balloon, which is also a mixture.
A pure air can be prepared only in laboratory, by mixing the components. Note that air is not a compound but a mixture of gases. In the nature pure air don't exist - the air is polluted.
a cloud is a mixture of water vapor and dust(ground)
It becomes hot polluted air.
Air is a mixture of several gases, most notably nitrogen, oxygen, and some trace gases (eg, argon).
A polluted water may be a homogeneous or a heterogeneous mixture.
An element - substance - NOT a mixture.
It depends. You can have a gaseous mixture such as air, which would be a homogeneous mixture. But a single gas such as oxygen or methane would be a pure substance.