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In order to determine acidic, basic or neutral character of solutions, a student tabulated the following results after experimentation. Which of the following observations has been tabulated correctly? Case Test Solution Colour change on red litmus paper Colour change on blue litmus paper Acidic/Basic/Neutral A NaOH No change Red Acidic B Sour Milk Blue No change Neutral C Vinegar No change No change Neutral D Washing soda Blue No change Basic
In order to determine acidic, basic or neutral character of solutions, a student tabulated the following results after experimentation. Which of the following observations has been tabulated correctly? Case Test Solution Colour change on red litmus paper Colour change on blue litmus paper Acidic/Basic/Neutral A NaCl No change Red Acidic B Lime water Blue No change Neutral C Vinegar No change No change Neutral D Washing soda Blue No change Basic
Consider the following statements regarding stress in beam : 1. If a member is subjected to equal and opposite couples acting in the same longitudinal planes, the member is said to be in pure bending. 2. The internal stresses developed in the beam are known as flexural stresses. 3. There is an intermediate surface known as neutral surface, at which the stress is zero. 4. An axis obtained by intersection of the neutral surface and a cross-section is known as neutral axis. Which of the above statements are correct ? 
An insulating refractory brick should have high porosity and low thermal conductivity. Which of the following is not used for inducing porosity in the insulating refractory bricks during its manufacture?
Refractory timber catches fire readily while non-refractory timber does not catch fire readily.
A constituency consists of two parties A and B. A has a solid vote bank of 30% and B has a vote bank of x%. Remaining parties are neutral voters. Out of the neutral voters, a section of them turn up for the election and 60% of those who turned voted for A. Out of others who didn’t vote 70% of them have voted for B. Originally A got 28 4/7% more votes than B. But if the people who did not turn up voted, A would have still won but by 4 4/49%. What is the percentage amount of voters who did not vote?
The question given below consists of a statement, followed by three arguments numbered I, II and III. You have to decide which of the arguments is/are ‘strong' arguments and which is/are ‘weak' arguments and accordingly choose your answer from the alternatives given below each question. Statement:  The central government has told the Supreme Court that anti-adultery laws were required to protect the ‘sanctity of marriage and the institution of family', and any attempt to do away with these laws would hurt ‘Indian ethos'. The government was responding to a court notice on a public interest litigation which wanted the law struck down as it was not gender neutral and the provisions were tilted against men. Which among the following arguments support the above statement regarding the ‘revision of such laws' in the best possible manner? Arguments: I. It seemed to suggest that women were chattel owned by men and could be guided and misguided. II. This would erode the sanctity of marriage as an institution and the societal fabric. The issue of making the provision gender neutral was already pending before the government. III. Any step towards decriminalising the offence in the interim would be detrimental to Indian ethos which gives paramount importance to the institution and sanctity of marriage.
Which of the following is not a neutral refractory?
Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory
If a refractory contains high content of silicon, it means refractory is