Question

mention in the world map about 4-4 hot desert and cold desert with their country

Answer 1

Cold Deserts of the World - 

Gobi - Northern China and Southern Mongolia 
Turkestan - Parts of the Middle East and Southwestern Russia 
Takla Makan - Western China 
Great Basin - Western United States 
Atacama - Coasts of Peru and Chile 

Hot Deserts of the World 

Chihuahuan - North Central Mexico and Southwestern United States 
Kalahari - Southwestern Africa 
Mojave - Southwestern United States 
Sahara - Northern Africa 
Sonoran - Southwestern United States

Answer 2

refer to the atlas and the map so that u can find the exact places.