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Chemistry / रसायन विज्ञान

Chemistry / रसायन विज्ञान
Chemistry / रसायन...

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Q.# Chemistry / रसायन विज्ञान - Chemistry / रसायन विज्ञान

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A substance formed by the combination of two or more pure substances in a certain proportion with the idea of merely is called

दो या दो से अथिक शुद्ध पदार्थों के मात्र के विचार से एक निशिचित अनुपात में संयोग करने से बना पदार्थ कहलाता है

[A]
Element
तत्व
[B]
Compound
यौगिक
[C]
mixture
मिश्रण
[D]
Solid
ठोस

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Q.# Chemistry / रसायन विज्ञान - Chemistry / रसायन विज्ञान

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Only one type of atom is found in which of the following

एक ही प्रकार का परमाणु निम्न में किस में मिलता है

[A]
mineral compound
खनिज यौगिक
[B]
mineral mixture
खनिज मिश्रण
[C]
natural ingredients
प्राकृतिक तत्व
[D]
No one
कोई नहीं

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Q.# Chemistry / रसायन विज्ञान - Chemistry / रसायन विज्ञान

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which is pure element

शुद्ध तत्व कौन सा है

[A]
glass
कांच
[B]
cement
सीमेंट
[C]
sodium
सोडियम
[D]
none of these
इनमे से कोई भी नहीं

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Q.# Chemistry / रसायन विज्ञान - Chemistry / रसायन विज्ञान

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is a mixture of the following

निम्न में मिश्रण है

[A]
Milk
दूध
[B]
steel
इस्पात
[C]
carbon monoxide
कार्बन मोनोऑक्साइड
[D]
hydrochloric acid
हाइड्रोक्लोरिक अम्ल

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Q.# Chemistry / रसायन विज्ञान - Chemistry / रसायन विज्ञान

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Which of the following is a chemical compound

निम्न में कौन सा रासायनिक यौगिक है

[A]
air
वायु
[B]
oxygen
ऑक्सीजन
[C]
ammonia
अमोनिया
[D]
Mercury
पारा

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Q.# Chemistry / रसायन विज्ञान - Chemistry / रसायन विज्ञान

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What is air in the following

वायु निम्न में क्या है

[A]
Element
तत्व
[B]
Compound
यौगिक
[C]
mixture
मिश्रण
[D]
none of these
इनमे से कोई भी नहीं

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Q.# Chemistry / रसायन विज्ञान - Chemistry / रसायन विज्ञान

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Which one of the following is an element

निम्न में कौन सा एक तत्व है

[A]
ruby
माणिक्य
[B]
sapphire
नीलम
[C]
emerald
पन्ना
[D]
Diamond
हीरा

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Q.# Chemistry / रसायन विज्ञान - Chemistry / रसायन विज्ञान

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'Every matter in the universe is made up of very fine particles' who said it first

'विश्व का प्रत्येक पदार्थ अत्यंत सूक्ष्म कणों से मिलकर से बना होता है' यह सर्वप्रथम किसने कहा था

[A]
by dalton
डॉल्टन ने
[B]
by Kanad
कणाद ने
[C]
by Rutherford
रदरफोर्ड ने
[D]
mosley
मोसले ने

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Q.# Chemistry / रसायन विज्ञान - Chemistry / रसायन विज्ञान

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diamond is

हीरा है

[A]
Element
तत्व
[B]
Compound
यौगिक
[C]
mixture
मिश्रण
[D]
liquid
तरल

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Q.# Chemistry / रसायन विज्ञान - Chemistry / रसायन विज्ञान

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Gunpowder is

बारूद होता है

[A]
Element
तत्व
[B]
Compound
यौगिक
[C]
mixture
मिश्रण
[D]
liquid
तरल

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