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Starting from today, the quizzes on SSCADDA for all SSC Exams will be based on ADDA247 Publication Books to make you experience a beneficial journey which drum up your efforts, preparation strategy and time managing skills. GA holds its own importance in all SSC Exams and General Science is its one significant part, considering the same, today's Chemistry Quiz is all set to catalyze your preparation.
Q1. Which among the following is white phosphorus?
निम्नलिखित में से कौन सा सफेद फास्फोरस है?
(a) P1
(b) P6
(c) P4
(d) P5
Ans.(c)
Sol. The most important form of elemental phosphorus from the perspective of applications and chemical literature is white phosphorus. It consists of tetrahedral P4 molecules, in which each atom is bound to the other three atoms by a single bond.
Sol. The most important form of elemental phosphorus from the perspective of applications and chemical literature is white phosphorus. It consists of tetrahedral P4 molecules, in which each atom is bound to the other three atoms by a single bond.
Q2. Alkali metals can –
अल्काली धातुएं-
(a) Be highly stable at room temperature/ कमरे के तापमान पर अत्यधिक स्थिर रहती है
(b) Vaporize at room temperature/ कमरे के तापमान पर वाष्पीकृत हो जाती है
(c) Easily gain electrons/ आसानी से इलेक्ट्रॉन प्राप्त करती है
(d) Easily lose electrons/ आसानी से इलेक्ट्रॉन खो देती है
Show Answer
Ans.(d)
Sol. Alkali metals have one electron in their outer shell so alkali metal can easily lose electrons.
Sol. Alkali metals have one electron in their outer shell so alkali metal can easily lose electrons.
Q3. What does a catalyst do in a reaction?
एक उत्प्रेरक प्रतिक्रिया में क्या करता है
(a) Changes potential energy of reactants/ प्रतिक्रियाओं की स्थितिज ऊर्जा बदलता है
(b) Changes kinetic energy of reactants/ प्रतिक्रियाओं की गतिशील ऊर्जा बदलता है
(c) Changes potential energy of products/ उत्पादों की स्थितिज ऊर्जा बदलता है
(d) Changes activation energy/ सक्रियण ऊर्जा बदलता है
Show Answer
Ans.(d)
Sol. Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalyst, which is not consumed in the catalyzed reaction and can continue to act repeatedly. Thus, changes activation energy
Sol. Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalyst, which is not consumed in the catalyzed reaction and can continue to act repeatedly. Thus, changes activation energy
Q4. Adding which substance gives green colour to glass?
कौन सा पदार्थ ग्लास को हरा रंग देता है?
(a) Calcium oxide/ कैल्शियम ऑक्साइड
(b) Iron oxide/ आयरन ऑक्साइड
(c) Chromium oxide/ क्रोमियम ऑक्साइड
(d) Manganese oxide/ मैंगनीज ऑक्साइड
Show Answer
Ans.(c)
Sol. Chromium oxide is used to create green glass
Sol. Chromium oxide is used to create green glass
Q5. Which among the following is present inside the nucleus of an atom?
निम्नलिखित में से कौन एक परमाणु के नाभिक के अंदर मौजूद होता है?
(a) Protons and Neutrons /प्रोटॉन और न्यूट्रॉन
(b) Electrons and Protons /इलेक्ट्रॉन और प्रोटॉन
(c) Neutrons and Electrons /न्यूट्रॉन और इलेक्ट्रॉन
(d) Neutrons, Protons, Electrons /न्यूट्रॉन, प्रोटॉन, इलेक्ट्रॉन
Show Answer
Ans.(a)
Sol. There are two types of particle in the nucleus of an atom the proton and the neutron
Sol. There are two types of particle in the nucleus of an atom the proton and the neutron
Q6. What is baking soda?
बेकिंग सोडा क्या है?
(a) Aluminium bicarbonate /एल्यूमिनियम बाइकार्बोनेट
(b) Sodium isolate /सोडियम आईसोलेट
(c) Sodium bicarbonate /सोडियम बाइकार्बोनेट
(d) Aluminium sulphate /एल्यूमिनियम सल्फेट
Show Answer
Ans.(c)
Sol. Baking soda is also known as Sodium bicarbonate. It is a chemical compound with the formula NaHCO₃. It is a salt composed of sodium ions and bicarbonate ions. Sodium bicarbonate is a white solid that is crystalline but often appears as a fine powder
Sol. Baking soda is also known as Sodium bicarbonate. It is a chemical compound with the formula NaHCO₃. It is a salt composed of sodium ions and bicarbonate ions. Sodium bicarbonate is a white solid that is crystalline but often appears as a fine powder
Q7. Which among the following elements is a liquid at room temperature?
निम्नलिखित में से कौन-सा तत्व सामान्य तापमान पर द्रव्य है?
(a) Phosphorus / फास्फोरस
(b) Mercury / मरकरी
(c) Sodium / सोडियम
(d) Aluminium / एल्यूमिनियम
निम्नलिखित में से कौन-सा तत्व सामान्य तापमान पर द्रव्य है?
(a) Phosphorus / फास्फोरस
(b) Mercury / मरकरी
(c) Sodium / सोडियम
(d) Aluminium / एल्यूमिनियम
Show Answer
Ans.(b)
Sol. There are two elements that are liquid in room temperature which are Bromine (Br) and Mercury (Hg).
Sol. There are two elements that are liquid in room temperature which are Bromine (Br) and Mercury (Hg).
Q8. Which among the following is an endothermic reaction?
निम्नलिखित में से क्या ऊष्माशोषी प्रतिक्रिया है
(a) Respiration/ श्वसन
(b) Combustion/ ज्वलन
(c) Sweating/ पसीना आना
(d) Burning of natural gas/ प्राकृतिक गैस का जलना
निम्नलिखित में से क्या ऊष्माशोषी प्रतिक्रिया है
(a) Respiration/ श्वसन
(b) Combustion/ ज्वलन
(c) Sweating/ पसीना आना
(d) Burning of natural gas/ प्राकृतिक गैस का जलना
Show Answer
Ans.(c)
Sol. Endothermic process describes a process or reaction in which the system absorbs energy from its surroundings. Sweating is a endothermic reaction
Sol. Endothermic process describes a process or reaction in which the system absorbs energy from its surroundings. Sweating is a endothermic reaction
Q9. Name the catalyst used in the conversion of milk into curd.
दूध के दही में रूपांतरण में प्रयुक्त उत्प्रेरक का नाम बताइये?
(a) Pepsin/ पेप्सिन
(b) Invertase/इन्वर्टेस
(c) Lactase/लेक्टेस
(d) Diastase/डाईटेस
दूध के दही में रूपांतरण में प्रयुक्त उत्प्रेरक का नाम बताइये?
(a) Pepsin/ पेप्सिन
(b) Invertase/इन्वर्टेस
(c) Lactase/लेक्टेस
(d) Diastase/डाईटेस
Show Answer
Ans.(c)
Sol. Milk is converted into curd or yogurt by the process of fermentation. Milk consists of globular proteins called casein. The curd forms because of the chemical reaction between the lactic acid bacteria and casein. Thus, lactase is the catalyst used in conversion of milk into curd
Sol. Milk is converted into curd or yogurt by the process of fermentation. Milk consists of globular proteins called casein. The curd forms because of the chemical reaction between the lactic acid bacteria and casein. Thus, lactase is the catalyst used in conversion of milk into curd
Q10. __________ fiber is used in making bristles for brushes.
ब्रश के ब्रिसल बनाने में __________ फाइबर का उपयोग किया जाता है
(a) Kevlar / केवलर
(b) Nylon-66 / नायलॉन -66
(c) Terylene / टेरीलीन
(d) Lexan /लेक्सन
Show Answer
Ans.(b)
Sol. Nylon 66 is a type of polyamide or Nylon. It is used in plastic Industries in making bristles for brushes
Sol. Nylon 66 is a type of polyamide or Nylon. It is used in plastic Industries in making bristles for brushes
Q11. Acids turn ______ litmus _______.
एसिड _______ लिटमस को _______ में परिवर्तित कर देता है.
(a) red, blue /लाल, नीला
(b) green, yellow/हरा, पीला
(c) blue, red /नीला, लाल
(d) yellow, green/पीला, हरा
एसिड _______ लिटमस को _______ में परिवर्तित कर देता है.
(a) red, blue /लाल, नीला
(b) green, yellow/हरा, पीला
(c) blue, red /नीला, लाल
(d) yellow, green/पीला, हरा
Show Answer
Ans.(c)
Sol. Acid turns blue litmus paper red
Sol. Acid turns blue litmus paper red
Q12. Automobile exhaust leads to a poisonous pollutant
ऑटोमोबाइल निकास किस जहरीले प्रदूषक को बढ़ाता है?
(a) Carbon Dioxide/ कार्बन डाइआक्साइड
(b) Sulphur Dioxide/ कार्बन डाइक्साइड
(c) Carbon Monoxide/ कार्बन मोनोऑक्साइड
(d) Nitrous Oxide/ नाइट्रस ऑक्साइड
ऑटोमोबाइल निकास किस जहरीले प्रदूषक को बढ़ाता है?
(a) Carbon Dioxide/ कार्बन डाइआक्साइड
(b) Sulphur Dioxide/ कार्बन डाइक्साइड
(c) Carbon Monoxide/ कार्बन मोनोऑक्साइड
(d) Nitrous Oxide/ नाइट्रस ऑक्साइड
Show Answer
Ans.(c)
Sol. Carbon Monoxide is a colorless, odorless, tasteless gas that's produced during incomplete combustion of any fuel. It is a pollutant released by automobiles
Sol. Carbon Monoxide is a colorless, odorless, tasteless gas that's produced during incomplete combustion of any fuel. It is a pollutant released by automobiles
Q13. What is the full form of PVC?
पीवीसी का पूरा रूप क्या है?
(a) Phosphonil vinyl Carbonate /फॉस्फोमिन विनील कार्बोनेट
(b) Polyvinyl S Carbonate पॉलीविनायिल एस कार्बोनेट
(c) Polyvinyl Carbonate /पॉलीविनायिल कार्बोनेट
(d) Polyvinyl Chloride /पॉलीविनायिल क्लोराइड
Show Answer
Ans.(d)
Sol. Full form of PVC is Polyvinyl chloride
Sol. Full form of PVC is Polyvinyl chloride
Q14. Aromatic hydrocarbons contain at least _____ benzene like ring in their molecules?
सुगंधित हाइड्रोकार्बन में कम से कम _____ बेंजीन जैसे छल्ले उनके अणुओं में होते हैं.
(a) four /चार
(b) three /तीन
(c) two /दो
(d) one /एक
सुगंधित हाइड्रोकार्बन में कम से कम _____ बेंजीन जैसे छल्ले उनके अणुओं में होते हैं.
(a) four /चार
(b) three /तीन
(c) two /दो
(d) one /एक
Show Answer
Ans.(d)
Sol. Aromatic hydrocarbons contain at least one benzene like ring in their molecules
Sol. Aromatic hydrocarbons contain at least one benzene like ring in their molecules
Q15. Chromite is an ore/mineral of?
क्रोमाइट ___का एक अयस्क / खनिज है.
(a) Zinc /जिंक
(b) Uranium /यूरेनियम
(c) Chromium /क्रोमियम
(d) Titanium /टाइटेनियम
क्रोमाइट ___का एक अयस्क / खनिज है.
(a) Zinc /जिंक
(b) Uranium /यूरेनियम
(c) Chromium /क्रोमियम
(d) Titanium /टाइटेनियम
Show Answer
Ans.(c)
Sol. Chromite is the only ore of chromium, a metal essential for making stainless steel, nichrome, chromeplating, pigments, refractories, chemicals and pharmaceuticals
Sol. Chromite is the only ore of chromium, a metal essential for making stainless steel, nichrome, chromeplating, pigments, refractories, chemicals and pharmaceuticals
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