HOME
NDA
CDS
SSB
MNS
News
Free Study Material
Download PDF
Career Opportunities in Indian Armed Forces
Download SSB PPDT Sample Test Sheet
Dozier Assessment in SSB Interviews
Download SSB OIR Test Sample Questions
PIQ Form for SSB Interview
Blogs
Shop
Nda Chemistry Chemical Reactions Quiz
Home
Nda Chemistry Chemical Reactions Quiz
Quiz
Question 1. Sigma (σ) bonds are formed due to:
Sidewise overlap of orbitals
Head-on overlap of orbitals
Metallic interaction
Electrostatic attraction
Submit
Question 2. Which of the following is a decomposition reaction?
2H₂ + O₂ → 2H₂O
2KClO₃ → 2KCl + 3O₂
NaOH + HCl → NaCl + H₂O
Fe + CuSO₄ → FeSO₄ + Cu
Submit
Question 3. Rusting of iron is an example of:
Combination reaction
Decomposition reaction
Redox reaction
Double displacement reaction
Submit
Question 4. Which reaction is known as a neutralization reaction?
CaCO₃ → CaO + CO₂
Fe + CuSO₄ → FeSO₄ + Cu
HCl + NaOH → NaCl + H₂O
2Mg + O₂ → 2MgO
Submit
Question 5. The reaction 2H₂ + O₂ → 2H₂O is an example of:
Decomposition reaction
Combination reaction
Double displacement reaction
Redox reaction
Submit
Question 6. The displacement reaction is best represented by:
2H₂O₂ → 2H₂O + O₂
Zn + CuSO₄ → ZnSO₄ + Cu
2H₂ + O₂ → 2H₂O
NaOH + HCl → NaCl + H₂O
Submit
Question 7. Which of the following is an endothermic reaction?
C + O₂ → CO₂
H₂ + Cl₂ → 2HCl
Photosynthesis
CH₄ + 2O₂ → CO₂ + 2H₂O
Submit
Question 8. The reaction between silver nitrate and sodium chloride gives:
NaNO₃ + AgCl
NaClO + AgNO₃
NaAg + NO₃Cl
AgCl₂ + NaNO₂
Submit
Question 9. The reaction CaO + H₂O → Ca(OH)₂ is:
Decomposition reaction
Combination reaction
Displacement reaction
Neutralization reaction
Submit
Question 10. Which type of reaction takes place during electrolysis of water?
Combination reaction
Decomposition reaction
Double displacement reaction
Neutralization reaction
Submit
Notifications
> CAPF AC (Assistant Commandant) 2025: Marks of Recommended Candidates
> Indian Army BSc Nursing 2026: List of Candidates Shortlisted For Screening Process
> Indian Army SSC Technical 67th Women Merit List 2026 Released: Check Merit List
> AFCAT 02/2026 Answer Key Released: Check How to Download the Answer Key
> Meet India's 1st Female 'Top GUN' Squadron Leader Bhawana Kanth
> Indian Army SSC Technical 67th Men Merit List 2026 Released: Check Merit List
> CDS 2 2025 OTA Final Merit List Released: Check Now
> CAPF AC (Assistant Commandant) Final Result 2025 Released: Check Now
> Indian Air Force Group Y/Medical Assistant Airmen Intake 02/2027 Correction Form Link Open
> AFCAT 2 2026 Admit Card Released: Download Your Hall Ticket
> Indian Navy SSC (IT) Jan 2027 Course SSB Shortlist Completed: SSB Call-Up Soon
> Indian Navy 10+2 B.Tech Jan 2027 SSB Shortlist Completed: SSB Call-Up Soon
> IAF Agniveervayu Non-Combatant Recruitment 2026 Notification Out
> SRNTH 3.0 India's Biggest NDA & CDS Mock Test: Register Now
> MNS 2026 Registration Extended till 03 August 2026 AFMS BSc Nursing Apply Now
> CAPF AC (Assistant Commandant) 2026: Provisional Answer Key Out
> All India Mock Tests for AFCAT II 2026 Aspirants by Centurion Defence Academy | Register Now
> Indian Army NCC Special Entry 125th Notification 2026 Out: Complete Details
> Indian Army JAG 125th Notification 2026 Out | Eligibility, Application Dates & Complete Details
> NTA NEET UG Re-Exam Result 2026 Out | Download Scorecard, AIR & Cutoff
Recommended Resources
Quick connect
Submit
TOP RATED
647465
PPDT Stories With Answers
284306
Download Sample PIQ form for SSB Interview
187393
10 PPDT Images with stories
158326
Top 5 NDA Coaching in India - Updated List 2026
99500
Download SSB OIR Test Sample Questions
94033
SSB Interview Preparation Material - Download Free PDF
79762
60 SSB SRT Questions with Answers
74653
7 SSB TAT Pictures with Stories
70030
MNS 2021 Exam Notification Released (Updated)
64341
20 Sample PPDT Pictures with Solutions for SSB
FOLLOW US ON