Font size
WorksheetsMid term exam practice quiz
Total questions: 10
Worksheet time: 8mins
Write chemical equations for the following reactions
Magnesium is burnt in air to form magnesium oxide.
Mg+ O2 = MgO
Fe + O2 + H2O = Fe2O3
Sodium Hydrogen carbonate + Acetate Acid = Carbon dioxide + other substances
Shika's mother made a concentrated salt solution by dissolving salt in hot water. On cooling, crystals of salt got separated. What type of change is it?
(a)
The ruminants chew the ________, for the second time.
Rumen
Cud
Cellulose
Identify which is not a type of wool?
Nali
Bhakarwal
Lohi
mooga
The female silk moth lays eggs, from which hatch larve which are called _____ or_______. Select any of the two options
Caterpillar
Silkworms
Silk moth
Pupa
The center of the cyclone is ________
Calm and quiet
Hot and humid
Harsh and with lightning
Cool and icy
Write one precaution to be taken while a thunderstorm
(a)
Wind currents are generated due to uneven heating on the earth. Click on the situations which you think is correct (Maximum 2)
Uneven heating between the equator and the poles
Even heating between the poles and the equator
Uneven heating of land and water
Even heating of land and water
The word monsoon is derived form the Arabic word ________.
Mausam
Misam
Vaanilai
Manimal
Increased wind speeds are always accompanied by _________________.
Reduced air pressure
Increased air speed
Increased air pressure
Reduced speed of wind
