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With reference to Lithium-ion (Li-ion) batteries, consider the following statements:

1. Lithium ions move through the electrolyte from the negative electrode to the positive electrode during the charging process.

2. Cobalt and Nickel are commonly used as active materials in the cathode to store lithium ions and determine the energy density of the battery.

3. Unlike lead-acid batteries, Li-ion batteries are completely immune to thermal runaway and degradation under high ambient temperatures.

Which of the statements given above is/are correct?

With reference to the Prevention of Insults to National Honour Act, 1971 and the proposed 2026 Amendment Bill, consider the following statements:

1. The parent Act of 1971 explicitly penalizes public disrespect and desecration directed towards the National Flag, the Constitution, and the National Anthem, but historically lacked specific statutory protection for the National Song.

2. The Prevention of Insults to National Honour (Amendment) Bill, 2026 seeks to include Vande Mataram within the ambit of Section 3 of the Act, placing it on par with the National Anthem (Jana Gana Mana).

3. Any public obstruction, desecration, or intentional disruption of the rendition of the national song under the proposed amendment carries penal provisions of up to three years of imprisonment, a fine, or both.

Which of the statements given above is/ are correct?

With reference to Electronic Gold Receipts (EGRs) introduced in India’s bullion market, consider the following statements:

1. EGRs are exchange-traded securities that represent ownership of physical gold stored in SEBI-regulated and accredited vaults.

2. An investor holding EGRs cannot convert them into physical gold under any circumstances once they are credited into a demat account.

3. The pricing of EGRs on stock exchanges is determined transparently through live market-driven price discovery rather than fragmented over-the-counter quotes.

Which of the statements given above is/are correct?

With reference to polymers and their classification based on polymerization mechanisms, consider the following statements:

1. Addition polymers are formed by the simple addition of monomer molecules possessing double or triple bonds without the elimination of any byproduct molecules.

2. Condensation polymers generally involve repetitive condensation reactions between bifunctional or polyfunctional monomer units, often eliminating small molecules like water or alcohol.

3. Nylon-6,6 and Terylene (Dacron) are classic examples of chain-growth addition polymers synthesized from hydrocarbon alkenes.

Which of the statements given above is/are correct?