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
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
> Indian Coast Guard Assistant Commandant 2027 Exam City/Admit Card
> How to Download the Nation’s Biggest NDA Mock Test 2025 Admit Card
> Indian Coast Guard Navik GD & Yantrik 01/2026 & 02/2026 Exam City Details
> NDA 2 2025 Admit Card Released - Download Now
> CDS 2 2025 Admit Card Released – Download Now
> All India NDA Mock Test 2025 - Real Exam Experience Across India
> Indian Army Dental Corps SSC 2025 Notification Out
> Indian Army NCC Special Entry 123rd Notification Out- Check now
> Indian Air Force Agniveer Vayu (Sports) Intake 01/2026 Notification Out
> Indian Navy SSC Officer June 2026 Notification Out - Check Details
> Indian Army JAG 123rd Course Notification Out - Check Now
> Indian Navy SSC IT Executive 2026 Notification Out
> Indian Army SSC-Tech 66th Men & Women Course 2026: Notification Out
> Indian Army MNS B.Sc Nursing Selection List 2025 PDF Out
> IAF Group Y Medical Assistant Airmen Online Form 2025
> Indian Navy SSC Tech 2026 Notification Out- Check Details
> Indian Coast Guard Assistant Commandant 2025 Notification Out- Check Details
> Indian Navy Civilian Recruitment 01/2025 Notification Out
> Indian Navy Agniveer MR Musician 02/2025 Notification Out
> Air Force Agniveer Vayu 2 2026 Notification Out- Check Detail
Quick connect
Submit
FOLLOW US ON
ALSO VISIT
TOP RATED
632150
PPDT Stories With Answers
276733
Download Sample PIQ form for SSB Interview
175039
10 PPDT Images with stories
153638
Top 5 NDA Coaching in India - Updated List 2025
96444
Download SSB OIR Test Sample Questions
87630
SSB Interview Preparation Material - Download Free PDF
67950
60 SSB SRT Questions with Answers
67872
MNS 2021 Exam Notification Released (Updated)
63493
7 SSB TAT Pictures with Stories
51299
Military Nursing Service (MNS) 2021 Exam Pattern and Syllabus