वह हथियार जो फेंककर चलाया जाय – अस्त्र
The fuel that is used in modern submarines is -
Petroleum is a mixture of-
Which of the following is a physical change?
Manganite is an ore/mineral of
___________ is the process in which acids and bases react to form salts and water.
The important ore of aluminium is-
Milk tastes sour when kept in the open for sometimes due to the formation of-
Which one amongst the following is not a Green House gas?
The major component of honey is-
The most reactive among the halogens is-
