Daily Quiz- 268
Spotlight on CHACE-2
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1. CHACE-2 is a scientific payload onboard which Indian lunar mission?
A. Chandrayaan-1
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B. Chandrayaan-2 Orbiter
C. Chandrayaan-3 Lander
D. Mangalyaan (Mars Orbiter Mission)
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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
Answers Quiz- 267 (November 2)
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.
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