Daily Quiz- 268

Spotlight on CHACE-2

Chandigarh, Updated At : 04:08 PM Nov 03, 2025 IST

1. CHACE-2 is a scientific payload onboard which Indian lunar mission?

A. Chandrayaan-1

B. Chandrayaan-2 Orbiter

C. Chandrayaan-3 Lander

D. Mangalyaan (Mars Orbiter Mission)

2. What does CHACE-2 stand for?

A. Chandra’s Atmospheric Chemical Explorer

B. Chandra’s Atmospheric Composition Explorer-2

C. Chandrayaan Air Chemistry Experiment-2

D. Chandrayaan Atmospheric Composition Experiment

3. Which of the following scientific techniques does CHACE-2 employ?

A. UV spectroscopy

B. Neutral gas mass spectrometry

C. Gamma-ray emission mapping

D. Neutron activation analysis

4. What is the primary objective of CHACE-2?

A. Mapping lunar surface temperature

B. Studying regolith mineralogy

C. Determining composition and dynamics of the lunar exosphere

D. Imaging lunar craters

5. CHACE-2 operates over a mass range of:

A. 1-50 amu

B. 1-100 amu

C. 1-300 amu

D. 1-500 amu

1. A

Explanation: SPCBs coordinate with district administrations to ensure only QR-coded crackers are sold.

2. B

Explanation: Proper redox balancing with potassium nitrate and strontium salts preserves luminosity without toxic residues.

3. A

Explanation: Their production and sale are mandated and enforced through statutory rules — a classic command-and-control tool.

4. B

Explanation: Manufacturers must renew CSIR–NEERI certification every two years to remain on the authorised list.

5. A

Explanation: India pioneered an officially certified, government-endorsed green-cracker system — a world first.