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Chemistry Quiz for Competitive Exams
Q1.Which of the following is an element?
निम्नलिखित में से कौन सा तत्व है?
a. Aluminum
b. Bronze
c. Graphite
d. Silica
Q2.Which of the following is a compound?
निम्नलिखित में से कौन सा एक यौगिक है?
a. Soil
b. blood
c. sugar and water solution
d. Methane
Q3.Which of the following is not an example of a colloidal solution?
निम्न में से कौन कोलाइडल विलयन का उदाहरण नहीं है?
a. glue
b. milk
c. blood
d. water and salt solution
Q4.What is the size of particles in a suspension?
एक निलंबन में कणों का आकार क्या है?
a. less than 1 nm
b. greater than 1 nm
c. Less than 1micro meter
d. Greater than 1micro meter
Q5.Scattering of a beam of light is called?
प्रकाश की किरण को बिखेरना किसे कहा जाता है?
a. Reflection of light
b. Dispersion of light
c. Tyndall effect
d. None of the above
Q6.Which of the following is an example of solid Sol?
निम्न में से कौन ठोस सोल का उदाहरण है?
a. Milk
b. Face cream
c. Mud
d. Gemstone
Q7.There are four mixtures A, B, C, and D having PH values 11,9.5, 3.5, and 6.5 respectively. Which of the following is the most basic solution?
चार मिश्रण ए, बी, सी और डी हैं, जिनमें पीएच मान क्रमशः 11,9.5, 3.5 और 6.5 है। निम्नलिखित में से कौन सा सबसे बुनियादी समाधान है?
a. B
b. C
c. A
d. D
Q8.Which of the following is Lewis acid?
लुईस अम्ल निम्नलिखित में से कौन सा है?
a. PCl3
b. AlCl3
c. NCl3
d. AsCl3
Q9.What is the pH value of the H2S solution?
H2S समाधान का पीएच मान क्या है?
a. 0
b. 7
c. Greater than 7
d. Less than 7
Q10.What is the pH value of pure water?
शुद्ध पानी का पीएच मान क्या है?
a. 0
b. 7
c. 1
d. 14