Question : Which of the following statements is Incorrect?

Option 1: Metals are used in making cookware.

Option 2: Metals are used in the manufacture of automobiles.

Option 3: Living beings inhale metals during respiration.

Option 4: Metals are used in manufacturing jewellery.

Question : Which of the following statements is incorrect?

Option 1: Metals react with oxygen to form basic oxides

Option 2: Non-metals are malleable

Option 3: Non-metals do not produce any sound

Option 4: Metals have low ionisation enthalpy

Question : An alloy contains a mixture of two metals X and Y in the ratio of 2 : 3. The second alloy contains a mixture of the same metals, X and Y, in the ratio 7 : 3. In what ratio should the first and the second alloys be mixed to make a new alloy containing 50% of metal X?

Option 1: 3 : 4

Option 2: 3 : 1

Option 3: 5 : 6

Option 4: 2 : 1

Question : Cosmic snowballs of frozen gases, rock, and dust that orbit the Sun are known as_________.

Option 1: Meteors

Option 2: Star

Option 3: Meteorites

Option 4: Comets

Question : Earthquakes are generally associated with:

Option 1: Joints

Option 2: Faults

Option 3: Folds

Option 4: Schistosity