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I have _____test tomorrow morning.
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a
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the
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No article
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We____visit our grandparents in winters.
They go on pilgrimages then.
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Which of the following forms the basis of the modern periodic table?

निम्नलिखित में से कौन आधुनिक आवर्त सारणी का आधार है?
Anonymous Quiz
22%
Atomic mass / परमाणु भार
40%
Atomic number / परमाणु संख्या
9%
Number of nucleons / नाभिकों की संख्या
28%
All of these / ये सभी