What we plant in the soil of contemplation we shall reap in the harvest of action.— Meister Eckhart

General Science — quick quiz

5 real UPSC Prelims questions on General Science. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

With reference to lithium-ion batteries, consider the following statements: 1. They have higher energy density compared to lead-acid batteries. 2. Cobalt is an essential component in all types of lithium-ion batteries. 3. Thermal runaway is a safety concern associated with lithium-ion batteries. Which of the statements given above is/are correct?