General Knowledge Test No 11 | सामान्यज्ञान टेस्ट नं 11 Sainik school entrance exam

General Knowledge Test No 11 | सामान्यज्ञान टेस्ट नं 11 Sainik school entrance exam

Q1. Which of the following is commonly referred to as "Laughing Gas"?

Q1. खालीलपैकी कोणता वायू सामान्यतः "लाफिंग गॅस" म्हणून ओळखला जातो?

A) Nitric oxide नायट्रिक ऑक्साईड

B) Nitrogen penta dioxide नायट्रोजन पेंटा डायऑक्साइड

C) Nitrous oxide नायट्रस ऑक्साईड

D) Nitrogen नायट्रोजन The chemical compound with the formula N₂O is nitrous oxide, also referred to as laughing gas.

General Knowledge Test No 11 | सामान्यज्ञान टेस्ट नं 11 Sainik school entrance exam

Q2. Choose the non-metallic mineral from the options provided.

Q2. खाली दिलेल्या पर्यायांमधून अधातू खनिज निवडा.

A) Nickel निकेल

B) Silica सिलिका

C) Bauxite बॉक्साईट

D) zinc जस्त

General Knowledge Test No 11 | सामान्यज्ञान टेस्ट नं 11 Sainik school entrance exam

Q3. Which among the following are constituents of Brass?

Q3. खालीलपैकी ब्रासचे घटक कोणते?

A) Zinc and Copper जस्त आणि तांबे

B) Iron and Zinc लोह आणि जस्त

C) Copper and Nickel तांबे आणि निकेल

D) Iron and Copper लोह आणि तांबे

Q4. What acid is most prevalent in grapes and tamarind?

Q4. द्राक्षे आणि चिंचेमध्ये कोणते आम्ल सर्वाधिक असते?

A) Malic Acid मॅलिक ऍसिड

B) citric acid साइट्रिक ऍसिड

C) Tartaric Acid टार्टारिक आम्ल

D) Lactic Acid लॅक्टिक ऍसिड

Q5. Which of the following elements are usually found in a free state?

Q5. खालीलपैकी कोणते घटक सामान्यतः मुक्त अवस्थेत आढळतात?

A) Group 15 elements गट 15 घटक

B) Group 10 elements गट 10 घटक

C) Group 18 elements गट 18 घटक

D) Group 11 elements गट 11 घटक Gold, silver, and copper are Group 11 elements. These metals are found in elemental form in nature. They are in a free state because they are least reactive.

Q6. Which of these oxides contributes to acid rain?

Q6. यापैकी कोणते ऑक्साईड आम्ल पावसात योगदान देतात?

A) Sulphur dioxide and carbon monoxide सल्फर डायऑक्साइड आणि कार्बन मोनोऑक्साइड

B) Carbon dioxide and nitrous oxide कार्बन डायऑक्साइड आणि नायट्रस ऑक्साईड

C) Nitrous oxide and sulphur dioxide नायट्रस ऑक्साईड आणि सल्फर डायऑक्साइड

D) Carbon monoxide and carbon dioxide कार्बन मोनोऑक्साइड आणि कार्बन डायऑक्साइड The sulphur dioxide and Nitrous oxide react with water, oxygen and other chemicals to form sulfuric and nitric acids.

General Knowledge Test No 11 | सामान्यज्ञान टेस्ट नं 11 Sainik school entrance exam

Q7. Which of the following is referred to as Hypo?

Q7. खालीलपैकी कोणत्याला Hypo असे संबोधले जाते?

A) Sodium thiosulphate सोडियम थायोसल्फेट

B) Calcium nitrate कॅल्शियम नायट्रेट

C) Calcium ammonium nitrate कॅल्शियम अमोनियम नायट्रेट

D) Tetra Ethyl Lead टेट्रा इथाइल लीड A significant inorganic salt with numerous medical applications is sodium thiosulfate. It is also referred to as "hypo" sodium hyposulfite.

Q8. Which among the following is the main constituent of Biogas?

Q8. खालीलपैकी बायोगॅसचा मुख्य घटक कोणता?

A) Butane बुटेन

B) Propane प्रोपेन

C) Ethane इथेन

D) Methane मिथेन Biogas primarily consists of methane (CH4) and carbon dioxide (CO2), with traces of moisture, hydrogen sulphide (H2S), and siloxanes.

General Knowledge Test No 11 | सामान्यज्ञान टेस्ट नं 11 Sainik school entrance exam

Q9. Which among following is also known as white gold?

Q9. खालीलपैकी कोणाला पांढरे सोने असेही म्हणतात?

A) Palladium पॅलेडियम

B) Platinum प्लॅटिनम

C) Rhodium रोडियम

D) Nickel निकेल Platinum is a white metal by nature. It does not require alloying to give it colour. It is frequently referred to as "White Gold" because of its white appearance.

Q10. What kind of acid is referred to as HOOCCOOH?

Q10. कोणत्या प्रकारचे ऍसिड HOOCCOOH म्हणून ओळखले जाते?

A) Carbonic Acid कार्बोनिक ऍसिड

B) Acetic Acid ऍसिटिक ऍसिड

C) Oxalic Acid ऑक्सॅलिक ऍसिड

D) Citric Acid साइट्रिक ऍसिड

Q11. When Sulphur is heated with rubber, the process is commonly known as ?

Q11. जेव्हा सल्फर व रबर गरम केले जाते तेव्हा प्रक्रिया सामान्यतः .... म्हणून ओळखली जाते?

A) Hydrodesulfurization हायड्रोडेसल्फ्युरायझेशन

B) Vulcanization व्हल्कनीकरण

C) Sulphonation सल्फोनेशन

D) Galvanization गॅल्वनायझेशन

General Knowledge Test No 11 | सामान्यज्ञान टेस्ट नं 11 Sainik school entrance exam

Q12. Which among the following chemicals is used in Photography?

Q12. खालीलपैकी कोणते रसायन छायाचित्रणात वापरले जाते?

A) Silver Bromide सिल्व्हर ब्रोमाइड

B) Magnesium Chloride मॅग्नेशियम क्लोराईड

C) Potassium Chloride पोटॅशियम क्लोराईड

D) Sodium Bromide सोडियम ब्रोमाइड

Q13. What happens to the weight of Iron, when it rusts?

Q13. गंज लागल्यावर लोखंडी वजनाचे काय होईल?

A) Remains the same तसेच राहते

B) Decreases then increases कमी होते मग वाढते

C) Increases then decreases वाढते मग घटते

D) Increases for long time दीर्घकाळ वाढते When any metal, including iron, oxidises, oxygen from the air combines with the metal to form iron oxide, also known as rust. Because more oxygen has combined with the iron, the weight of the bar thus increases. The weight of the iron bar will tend to decrease over time for reasons that have more to do with erosion than chemistry.

Q14. Speed of sound is maximum in which among the following?

Q14. ध्वनीचा वेग खालीलपैकी कोणत्या ठिकाणी जास्त असेल?

A) Solids स्थायू

B) Gases वायू

C) Vaccum निर्वात

D) liquids द्रव

General Knowledge Test No 11 | सामान्यज्ञान टेस्ट नं 11 Sainik school entrance exam

Q15. Which of the following metals has both the highest electrical and thermal conductivity?

Q15. खालीलपैकी कोणत्या धातूत विद्युत आणि उष्णता वाहकता दोन्ही सर्वात जास्त आहे?

A) Gold सोने

B) Silver चांदी

C) Iron लोखंड

D) Platinum प्लॅटिनम

Q16. Which of the following is an ore of calamine?

Q16. खालीलपैकी कॅलामाईन धातू कोणते?

A) Zinc जस्त

B) Copper तांबे

C) Mercury पारा

D) Iron लोह The most prevalent form of zinc ore is zinc carbonate (ZnCO3), also referred to as calamine or smithsonite.

Q17. Which of the following is a common name for the widely used medication "Acetylsalicylic Acid"?

Q17. खालीलपैकी कोणते सामान्यपणे वापरल्या जाणार्‍या औषधाचे "एसिटिलसॅलिसिलिक ऍसिड" असे सामान्य नाव आहे?

A) Aspirin ऍस्पिरिन

B) Paracetamol पॅरासिटामॉल

C) Wintergreen विंटरग्रीन

D) Salsalate सालसलेट Acetylsalicylic acid (ASA), also known as aspirin, is a nonsteroidal anti-inflammatory drug (NSAID) used to treat inflammation, fever, and/or pain as well as a blood thinner.

General Knowledge Test No 11 | सामान्यज्ञान टेस्ट नं 11 Sainik school entrance exam

Q18. Which of the following forms of nitrogen can be found in urea?

Q18. युरियामध्ये नायट्रोजनचे खालीलपैकी कोणते प्रकार आढळतात?

A) Nitrite नायट्रेट

B) Nitrate नायट्रेट

C) Amide अमाइड

D) Ammonium अमोनियम

Q19. Galena and Litharge are ores of which of the following metals?

Q19. गॅलेना आणि लिथर्ज हे खालीलपैकी कोणत्या धातूचे धातूक आहेत?

A) Mercury पारा

B) Lead शिसे

C) Copper तांबे

D) Zinc जस्त One of the naturally occurring mineral forms of lead(II) oxide, or PbO, is litharge. Galena ores undergo oxidation, which results in the secondary mineral known as litharge.

Q20. Bleaching Powder is a compound of ______?

Q20. ब्लीचिंग पावडर ______ चे संयुग आहे?

A) Calcium कॅल्शियम

B) Magnesium मॅग्नेशियम

C) Sodium सोडियम

D) Sulphur गंधक Chemically speaking, bleaching powder is calcium oxychloride (CaOCl2). Backmann's plant is used to make bleaching powder, which is made by forcing slack lime and chlorine to react.

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General Knowledge Test No 11 | सामान्यज्ञान टेस्ट नं 11 Sainik school entrance exam

General Knowledge Test No 11 | सामान्यज्ञान टेस्ट नं 11 Sainik school entrance exam