Assertion : Energy value of biogas is lower than that of organic matter.
Reason : Biogas minimises the chances of spread of fecal pathogens.

The ionisation energy of potassium is lower than that of sodium. Give reason.

Assertion: The first ionisation energy of aluminium is lower than that of magnesium. Reason: The ionic radius of aluminium is smaller than that of magnesium.

Assertion: The first ionisation energy of aluminium is lower than that of magnesium. Reason: The ionic radius of aluminium is smaller than that of magnesium.

Assertion (A): Enthalpy of graphite is lower than that of diamond. Reason (R ) : Entropy of graphite is lower than that of diamond.

Assertion (A): Enthalpy of graphite is lower than that of diamond. Reason (R ) : Entropy of graphite is lower than that of diamond.

Assertion: The first ionisation enthalpy of aluminium is lower than that of magnesium. Reason : Ionic radius of aluminium is smaller than that of magnesium.

Assertion: The first ionisation enthalpy of aluminium is lower than that of magnesium. Reason : Ionic radius of aluminium is smaller than that of magnesium.

Identify the correct Assertion and Reason Assertion: Amoebiasis spreads through contaminated faeces and water. Reason: Mosquitoes act as carriers of the pathogen.