Sectional test

Chemistry (Prelims GS) Test 16

• 25 questions
• 20 minutes
• +1 right · −0.25 wrong
• 0 students ranked

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First questions

1. Which of the following functions as primary standard?
2. Pair of hard bases among the following is -
3. Which statement is true about aqua regia? I. Aqua regia is a mixture of HNO$_{3}$ and HCl, in a molar ratio of 3 : 1 II. Nitrosyl chloride and nitrogen dioxide impart yellow/orange colour to aqua regia III. Aqua regia can dissolve gold and platinum IV. pH of aqua regia is $> 7$