The Rowlatt Act of 1919 allowed the British government to arrest and detain Indians without trial, leading to widespread protests.

The Rowlatt Act was passed in 1919 to suppress the Indian freedom struggle.

The Partition of Bengal Act was enacted in 1905, leading to widespread protests and the Swadeshi Movement.

The Nuclear Non-Proliferation Treaty (NPT) was signed in 1968 to prevent the spread of nuclear weapons.

The Agricultural Revolution of the 18th century marked the transition from subsistence farming to more commercial agricultural practices, leading to increased productivity.

Isopropanol, or 2-Propanol, is commonly referred to as rubbing alcohol.

Methanol is commonly used as an antifreeze agent due to its low freezing point.

Methanol is commonly used as an antifreeze due to its low freezing point.

Potassium (K) reacts vigorously with water, producing potassium hydroxide and hydrogen gas.

Beryllium has the highest melting point among the alkaline earth metals.

Magnesium is widely used in the production of lightweight alloys due to its low density.

Beryllium (Be) is the least reactive alkaline earth metal.

Barium is the most reactive alkaline earth metal due to its larger atomic size and lower ionization energy.

Beryllium is the least reactive alkaline earth metal due to its high ionization energy.

Strontium (Sr) is used in fireworks to produce a bright red flame.

Strontium compounds are used in fireworks to produce a bright red flame.

Strontium is used in fireworks to produce a bright red flame.

Strontium is used in fireworks to produce a red color.

Strontium is used in fireworks to produce a red flame.

Strontium is used in fireworks to produce red colors.

Butane is commonly used as a fuel in lighters.

Propane is commonly used as a refrigerant due to its favorable thermodynamic properties.

The 44th Amendment Act of 1978 abolished the Privy Purses that were granted to the former rulers of princely states.

The 42nd Amendment, enacted in 1976, added the Fundamental Duties to the Constitution of India.

The 26th Amendment to the Indian Constitution, enacted in 1971, abolished the Privy Purse, which was a payment made to the former rulers of princely states.

The 86th Amendment to the Indian Constitution, enacted in 2002, made education a fundamental right for children aged 6 to 14.

The 61st Amendment to the Constitution of India, enacted in 1988, lowered the voting age from 21 to 18 years.

The 42nd Amendment is often referred to as the 'Mini Constitution' due to the extensive changes it made to the Constitution.

The 61st Amendment to the Constitution of India, enacted in 1988, lowered the voting age from 21 to 18 years.

The 86th Amendment to the Indian Constitution, enacted in 2002, made the right to education a fundamental right under Article 21A.